|
| |
|
Freshwater Daily
Questions & Answers (FAQs) |
Updated 7/19/2008
Other Specialized
Daily FAQs Logs: General,
Brackish
Daily Q&A replies/input from the WWM crew:
Benjamin Kratchmer,
Sara Mavinkurve, Adam Jackson, Scott Vallembois,
Darrel Barton,
Neale Monks,
Marco Lichtenberger,
Eric Russell,
Chris Perivolidis,
Pufferpunk (Jeni Tyrell), Chuck Rambo, Bob
Fenner, are posted here. Moved about, re-organized roughly daily
____________________________________________________________
Constipated Midas Cichlid -
07/19/08
Hi,
<Len>
My normally ravenous Midas Cichlid lost interest in food over two
weeks ago. She is about 25cm (10") long, about 14cm (5.5") "tall",
and a good 7-8cm (2.5-3") thick.
<Appears to be a very nice specimen>
I don't know how old she is. Her stomach and the area surrounding
her anus are very swollen. She has some asymmetrical damage to some
scales around her anus that appear (to me) to be injuries after the
fact. Her scales are flat against her body with no pine-coning even
on the few damaged ones. I managed to get a picture of her despite
her wanting to attack the camera through the glass. One of the cats
distracted her for a minute. Her water quality is good with zero
ammonia and nitrite, but nitrate is around 30-40 ppm at this exact
moment.
<Much too high... I'd be addressing means to keep this under at most
20 ppm. See WWM re:
http://wetwebmedia.com/FWSubWebIndex/fwnitrates.htm
and the linked files above>
I'm just about to do a 30% water change. Maintaining proper water
quality for her has been a challenge because I adopted her when her
previous owners moved to another province six months ago, but I only
had a 33 gallon tank for her.
<Much too small>
Needless to say she is alone in the tank. She would kill any other
fish (even my 30cm (12") Pleco). She even tries to bite my cats
through the glass if they get too close to her tank. It is nice to
see the tables turned for a change. They are scared of her. I have
to do a partial water change every four days or her tank smells up
the place and nitrate rises fast. I make sure her tank is very well
aerated and I keep the temperature at 80 Fahrenheit. The pH is a
hair above 6.5.
I know it is very cruel to keep her in so small a tank, but I am
doing the best I can until I can get a new and much larger tank when
I move in a couple weeks. I treated her with an anti-bacterial and
an anti-parasite since she stopped eating with no results at least
regarding the constipation. Right now there is a carbon filter in
the tank and I'm concentrating on good water quality.
<Good>
I've fasted her several times, and then tried peeled peas, blanched
spinach, and her usual algae wafers. She would only eat the algae
wafers. The three top ingredients in the wafers are Spirulina
powder, dehydrated alfalfa meal, and pea powder. The wafers seemed
to help, and at one point she was eating a few of her favorite
Hikari pellets and defecating a little bit. The poo looked normal
for her, but thinner like her anus was half the diameter it used to
be. It passed through her in the usual amount of time. Since about
four days ago she has been corked up totally and completely
uninterested in any food. Other than eating, she seems to be mostly
fine. She is still interested in redecorating her tank, chasing the
cats, and carefully watching everything that happens in the house. I
can't help but feel like she is trying to tell me something, but I
can't figure it out. I'm worried that she has eaten a bunch of the
aquarium gravel from her tank. She is always moving gravel around
with her mouth, dramatically sucking water from under large rocks
and she was always a big eater. I feed her (sinking) shrimp pellets
now and then for variety and I have wondered how she sorts the
pellets from the gravel. I will get fine sand for her new tank just
in case. I'm thinking 100-125 gallons should be okay for just her or
maybe a pair if I get a male later. She looks like she has quite the
hump on her forehead, but according to her last owners, she laid
eggs every now and then so she must be a female. I haven't seen her
lay any eggs myself. Please help me figure out how to help her.
Despite her anti-social attitude and desire to bite everything, she
is very sweet. She swims up to the top of the tank and eats algae
wafers from my hands and allows me to touch her ever so gently when
I'm trying to clean her tank. Of course she gets irate when I touch
her rocks or rearrange anything, so I do that part very carefully.
<I'll bet!>
On a completely different subject... when I move to my new house I'm
carrying her and my other fish in two large Tupperware-like plastic
bins half full of water. I was concerned about how they would fair
after seven hours in my truck in the August heat with low oxygen,
but I came up with a clever plan. I bought a 12 volt power inverter
that plugs into my car's cigarette lighter and outputs household AC
current. I am going to plug a regular aquarium air bubbler in and
bubble air through tubing (and check valves) into airstones at the
bottom of the bins. I can control the temperature by bubbling air
conditioned or heated air through the bins. My inverter can only
output 75 watts, so if anyone needed to use a heater they would need
a more powerful inverter. I thought somebody else might appreciate
the idea. You can also plug in LED Christmas lights and string them
under your car for a cheap but really cool lighting effect.
<Thank you for this>
Thanks in advance,
Len.
<I consider that the principal "cause" of this condition is
environmental... the nitrate, too small a world... Solving
these/this is really the solution here. Treating the symptoms,
whether this might be a case of egg-binding, or some sort of gut
blockage... with Epsom Salt, is a possibility, but only by improving
this fish's world will a permanent solution be made. Bob Fenner>
|
|
 |
Ghost shrimp/jewel anemone hlth/ID
- 07/19/08
I can't seem to find an answer for my questions.#1 I bought some ghost
shrimp from my LFS and I noticed they had some white dots on their body, is
this normal or some sort of disease?
<Mmm, likely more the latter... not communicable though. These sorts of
markings show up in specimens that have been kept in poor conditions>
#2 I have a large colony of jewel anemones
<There are a few species that go by this name... Is this a Corynactis? Which
do you have?
and can't find any info on them any where can you tell me or give me a link
to some information on them? Thanks for any help!
<Bob Fenner>
No luck with freshwater cycle?
-07/18/08
Hello, WWM crew, and thanks in advance for your reply.
I have a couple of questions on a brand new 10-gallon freshwater tank I'm
trying to set up. I currently have a Betta in a 1-gallon setup (no heater,
poor guy) who will be moving into the new tank as soon as its water settles.
General Question (the General for short) lives on my desk, where the ambient
temperature sometimes drops below 70 F due to an overactive air
conditioner... I'm sure he'll enjoy his new home much more. Joining him will
be a few small catfish (Otocinclus - the excellent LFS has fat & happy,
local, captive-bred specimens) to help with algae and add some more interest
to the tank, which will be helping to spruce up a very dull reception area
at my workplace.
<Tank-bred Otocinclus are very rare and they aren't bred on farms. The only
breeders are hobbyists, and prices tend to be high as and when these fish
are sold. If your LFS really does have a supplier of such fish, that's
fantastic! Wild-caught fish predominate, and are so inexpensive lots of
aquarists buy them. As I've explained elsewhere on WWM, they are extremely
bad fish for the non-expert fishkeeper: they need quite cool water (no more
than 25 C), very strong water currents, lots of oxygen, and a constant
supply of green algae (not other kinds) or a suitable substitute such as
algae wafers. All in all, difficult fish to keep alive, and the VAST
majority die within a few months.>
I am pretty new to this and have never tried to do a fishless cycle before -
the few aquarium books I've read have absolutely nothing useful to say on
the cycle process, and I didn't find what I'm looking for by searching your
site or the web at large. That said, I've had a blast reading all your
articles.
<All aquarium books should describe the cycling process, and I've never yet
seen an aquarium book for beginners that doesn't. In any case, here it is:
http://www.wetwebmedia.com/FWSubWebIndex/fwestcycling.htm
>
The 10-gallon will eventually have rooted plants, but does not yet (I get
paid today, rooted plants come soon!) and currently has a pair of Java fern.
It has 1" sphagnum peat (no additives) under 1" gravel as a substrate. As
our local water is very basic and very hard, the peat not only makes the
plants happy but also keeps the pH in a less extreme range (7.2 rather than
8.3). There is a hanging filter with mechanical, carbon and biological media
(AquaClear 20), a heater holding at 78-80 degrees, and a fluorescent grow
light that came with the hood. When starting my cycle, I sprinkled in a few
of the General's freeze-dried bloodworms, hoping that their decay would
cause an ammonia spike. Indeed it did; ammonia went from 0 to 6 ppm in two
days' time. I've also seen a NO3 spike up to 100 ppm, but no NO2! The
ammonia is slowly dropping back down, the NO3 is rising, and this does not
fit the pattern I've read about over and over on your site and elsewhere.
Did I go wrong somewhere? Do I need to try again? Or does it just need a big
water change?
<If you have ammonia, it's because you are either: [a] overfeeding; [b]
under-filtering; or [c] not allowing the filter to mature. Common mistakes
people make are to keep cleaning the biological filter medium vigourously.
This kills the bacteria. A gentle squeeze in a bucket of aquarium water is
all you need do, ideally once every 2-6 weeks depending on how messy your
fish are. Obviously you should not feed your fish at all if you can detect
ammonia. Fish can easily last 1-2 weeks without food, so this isn't an
issue. Just let the ammonia drop down, and once it's safe, add tiny amounts
of food. A single flake is ample for a Betta.>
The second question involves snails. They must have come in with the Java
ferns. I didn't have snails before - don't want them, even - and they're
tiny. One has already died; I found its empty shell scooting around in the
filter's current. At least two other individuals exist - one has a fuzzy
tuft of algae on its shell and the other does not. They are glossy, black,
and very round, and researching them told me that they should not be able to
survive in the aquarium at this stage as the ammonia and nitrate are way too
high. How are they surviving the wild swings in this tank?
<Some snails are adapted to ponds where the water quality can be pretty
poor. These snails breathe air, and are consequently less dependent on water
quality than fish. While snails will die if endlessly exposed to very poor
conditions, in the short term at least things like pond snails and
Melanoides are surprisingly tolerant. Snails don't do any harm, and their
numbers are directly proportional to the amount of uneaten food and
generally muck in the tank. Clean tanks have few snails; dirty tanks have
lots. So the important thing is to appreciate what snails are -- recyclers
-- and keep the tank clean so that their numbers stay small. A few snails in
a tank is a good thing: they help circulate the gravel and so prevent
anaerobic decay. But in large numbers they are unsightly, and certain plants
will be nibbled by them. That said, I have a small planted tank with lots of
snail species and it is fine. Cryptocoryne, Java fern/moss, Vallisneria are
all ignored by small snails such as Physa spp. Melanoides snails never eat
plants and are completely trustworthy.>
I'm pretty confused on this, though not concerned as it seems the General
will probably eat them once the water has figured itself out and he's in his
new home.
Thanks!
~Sylvia
<Cheers, Neale.>
Black ghost... hlth, sys., gen.
-07/18/08
Hello.
<Hello,>
I found your cool site accidentally and have learned a lot from reading on
it mainly about Black Ghosts (great job keep it up). I have gotten into the
hobby on an unfortunate account that my dad had gotten cancer and I was
taking care of his fish 2 tanks until he passed away.
<Sorry to hear that.>
Because of getting back to a regular work schedule I was not able to get
there regularly anymore to help my step mom take care of the tank, so she
asked if I wanted it. I took it to my place using same water transported in
buckets did partial water change and so on when I got it to my place. I
guess the move was too much for them and the fish got ich and died off after
several weeks. ANYWAY, after letting the take "I hope" get healthy so to
speak.. as per advice of my LFS put some food in it with no fish said it
would keep cycle somewhat going.
<You can indeed cycle a tank by adding a pinch of flake, though you need to
also do water changes, and also keep adding portions of food every 2-3 days.
As the food rots, it produces ammonia, and that kick-starts the cycle. It
will still take the usual 4-6 weeks to fully cycle, and you need to be
measuring the nitrite level to see when the cycle is finished. If you just
add one pinch of food and leave it at that, then all that happens is that
one portion of food decays, the ammonia goes up, goes down, and then nothing
much happens. You MUST keep adding food so that the bacteria have a constant
source of ammonia. Essentially you're keeping fish, without the fish!>
I turned up the heat to in 90's for couple weeks to hopefully kill off any
ich that might of still been in there. Finally getting to the BGK they are
such a great fish.
<Yes they are, but also extremely difficult to maintain. Being very
sensitive to water quality, under no circumstances would you put one in a
tank less than 3 months old. You want the filter to not only cycle, but also
"settle down". The problem is that a new aquarium goes through a period
where the filter sometimes misbehaves, and you get small nitrite or ammonia
spikes. Exposing Apteronotus albifrons to this phase would be a disaster.
There's also a period where the fishkeeper needs to get the hang of cleaning
the filter without harming the bacteria, and also doing things like
siphoning out detritus from the substrate, learning how much food to use,
and performing water changes.>
He seems to go against a lot of things I was reading about them. and I guess
its on a fish to fish basis.. he is almost always out even with the light on
(as matter of fact I am watching him swim around tank now and the light is
on, he started eating out of my hand after at first time trying one week
after I got him, he eats flakes when I put them in tank for my Kribensis.
and he eats frozen bloodworms that I put in tank at lights out.
<All quite normal for well-adjusted, happy animal.>
This brings me to a question. I noticed today that the bottom fin has a
couple splits in it What are the usual causes of this?
<Not "usual" but may be either rough handling (netting, transport); biting
(by other fish); scratching (check for sharp ornaments or gravel); or early
stages of Finrot (check ammonia/nitrite ASAP). You mention Kribensis, and
all Pelvicachromis spp. are territorial and quite prone to biting even
substantially larger fish. I have a small female Pelvicachromis taeniatus
that quite happily charges and chases pufferfish. So while basically good
community fish, their feistiness is out of all proportion to their size, as
is often the case with that family we call the Cichlidae.>
There doesn't seem to be any discoloration he seems to be aggressive towards
my Kribensis that I just put in about 4 days ago though that has become less
frequent. Kribensis doesn't seem to like to be around him and swims away
when BGK swims near him, so I don't know if Kribensis got brave and did
something when lights were out, but as I watch him he still constantly swims
away from BGK.
<They are competing for the same resources, namely caves, and will view each
other as potential rivals. It is absolutely normal for Pelvicachromis to be
utterly peaceful towards midwater fish but total terrors with regard to
bottom living species. Does obviously depend on the size of the tank;
Apteronotus albifrons will need a big aquarium, something upwards of 220
litres/60 gallons. Anything less and you WILL be asking for trouble. They
are fish of fast-flowing rivers, so also need a very strong water current to
burn off all their energy. I'd be looking at canister filters providing not
less than 6 times the volume of the tank in turnover per hour. Forget about
using anything hang-on-the-back or air-powered!>
So was wondering if you had any thoughts on what might cause the splitting
of the fin and what I should do so it doesn't get worse. Thank you MUCH...
and again thanks for this great site.
<Hope this helps, Neale.>
Question about my aquarium... FW,
Small, stkg. 7/18/08
Hello,
I was just wondering if I could ask you a question?
<Feel free!>
I have a 5 gallon tank and realize the size is not ideal but I will be
upgrading in 6 months time to as large a tank as I can get, once I move
house. Right now I have 1 female guppy who is very lively and healthy
seeming and 7 neon tetras. Am I overstocked?
<Depends how you define these things. If things are working for now, I'd
leave things be and not add any more fish. The problem with small tanks is
that they can quickly topple over from working nicely into being a complete
disaster. The bigger the tank, the slower this happens, which is why bigger
tanks are recommended. For the average aquarist, a 20 gallon tank is a good
starting point, or 30 gallons if you want to keep medium-sized sort of fish
like cichlids rather than guppies and tetras.>
I worry about it and can't provide a bigger home for them and didn't realize
when I started the tank it may be too small. I've had it for a couple of
months so its cycled and I do a 25% water change every week, sometimes more
frequently if I feel it needs it. It also has a hang-on filter, lighting,
heater and a air pump connected to a air stone. The temp remains constant at
25 degrees c. I also have an Amazon sword plant which I think is growing
well and a banana plant. PH is around 7.5.
<It all sounds nice. Small tanks aren't "bad", they're just difficult. I
have an 8-gallon tank that is incredibly rewarding. It sits on a windowsill
and I let the aquatic plants grow out the top. Some of them are twice as
tall above the water as they underneath the water, and they're covered with
flowers. In there I keep livebearer fry (Limia nigrofasciata) and some
Cherry shrimps, which are breeding like crazy, and four little Aspidoras
catfish that are barely an inch long. The thing is that I'm an expert
fishkeeper and I know what I'm doing. For someone new to the hobby, this
sort of tank would be very difficult to set up. Or more specifically, they'd
be trying to add too many fish that are too big for the system, and so cause
problems. This is why we recommend 20 gallon tanks for beginners: they're
easy to stock with popular fish, and they're big enough that they will
"forgive" accidents and oversights.>
I realize I made a mistake not buying a huge tank but I'm not living in my
own house but my sisters and thus don't have room for a huge one. Anyway I
can make them happy and healthy? They seem fine at the moment. One neon
tetra does have a small pale patch near the tail, I at first thought it was
fungus but its not growing and seems to just be a pale part of its skin. Its
not like a dot so I don't think its ick and none of the other fish have it.
What do you think?
<Difficult without a photo. Could be early stages of Finrot, but I suspect
it might be the dreaded Neon Tetra Disease (or so-called False Neon Tetra
Disease). In either case what happens is the fish loses colour by stages,
becomes shy, separates off from the school, stops eating, and then dies.
It's very contagious, and passed on when healthy fish peck at dead or dying
fish. So if you are sure the fish is sick, isolating it is a good idea, and
painlessly destroying it the best plan of all. Neons these days are plagued
with this disease, and I know lots of people who buy a big school of Neons
and end up with only half of them just a few months later.>
Thank you very much if you can answer.
<Hope this helps, Neale.>
An Oscar's diet... 7/18/08
Thank you so very much for the information your site provides! I have
been overwhelmed with all that I have learned in the last couple of weeks.
Neale has answered some questions and my transplant tank for my Oscar is
coming along nicely. I wish the friend who gave me the aquarium with the
Oscar would have read this site so I wouldn't have had to spend so much $$
to ensure "SharkBait" would have a happy/healthy life! (Upgrading from a 35
gallon hex with a single Emperor 280 to a 75 gallon with two Emperor 280's
and an Eheim 2217)
<We're glad to help, and I'm pleased to hear about all these positive
changes.>
My friend also told me that all I had to do was buy these Cichlid Pellets
and feed him twice a day. Reading over your FAQs, I see that SharkBait
should have meat in his diet. I live in S. Florida and we have had lots of
rain lately...the frogs have been very busy and I have 100s of tiny frogs
hoping about the yard...are these safe to feed to an Oscar? (I have read and
searched the FAQs and I see that crustaceans (shrimp) and veggies (shelled
peas) are recommended.)
<Oscars certainly will eat small amphibians in the wild. But do be careful,
because some amphibians are toxic. Here in England for example, the common
toad contains Bufotoxin, and I once had a cat that bit one and then spent
the rest of the day frothing from the mouth like it had rabies. So you have
to be careful. Personally, I wouldn't take the risk. Oscars feed primarily
on fish and arthropods, especially crayfish and small crabs. The second most
common part of their diet is plant matter, something aquarists don't always
realise. So rather than worrying about "one" perfect food item, I always
recommend people come up with as diverse a menu as possible for feeding
Oscars. There is a good reason to avoid live foods though, beyond the risks
of poisons/parasites, and that's the infamous Oscar Hunger Strike. Some
Oscars are prone to accepting just one favourite food item. This causes
major problems in the long term. So you want to be offering something
different every day or two, so bad habits can't form. Do take care not to
overfeed your fish too; Oscars are consummate animal psychologists that are
very good at training humans to provide them with food on demand. Resist
their mind games! A healthy Oscar should be lean, and with a just-filled
abdomen rather than looking stuffed.>
Thank you again for all the time the crew has put into this site and
answering questions like this one. The information is invaluable to we who
do not know and need to learn.
<Thanks for the kind words. Oscars are lovely fish, perhaps THE most
intelligent fish in the hobby, and make amazingly good pets. Time used
researching your fish is time well spent. Cheers, Neale.>
A fish no one knows about 7/18/08
Hello. I'm Samie. I'm 16. I can take care a lot of different fish, but I
seem to have an eye for trouble makers.
<Oh?>
I have a 10 gallon tank. It has been set up since January. My pH is 7. Ammonia,
nitrite, and nitrate are all at 0. I have drift wood and 1 small plant.
<All sounds fine, but do bear in mind that 10 gallons is really too small for
the fish you have chosen, and long term are likely to have problems. Because 10
and 20 gallon tanks have almost the same footprint and cost almost the same
amount of money, I always recommend people go with 20 gallons when starting
out.>
The fish I have are tetras (2 white skirts, 1 rosy, and 3 x-rays) Ghost Shrimp,
and Balloon Body Gold Ram.
<Ah, now these fish aren't compatible. White Skirt tetras are albino
Gymnocorymbus ternetzi, a notorious fin-nipper and going to get quite large,
about 5 cm long. Rosy Barbs (what I assume the "rosy" is) are Puntius
conchonius, a subtropical species able to get to 14 cm and so obviously way too
big for your tank. The long-fin version will also be vulnerable to fin nippers.
X-Ray Tetras are Pristella maxillaris, a superb species, but in my opinion
slightly too big for a 10 gallon tank. All these fish are schooling species, and
MUST be kept in groups of 6 or more if they are to be happy. Keeping them in the
numbers you have may be convenient to you, but it is intensely stressful for the
fish, and long term they may exhibit aberrant social behaviours, such as
shyness, fin-nipping, or chasing.>
My problem is, no matter how many people I ask, no one seems to know how to help
me.
<We'll do our best...>
My Balloon Body Gold Ram is not eating.
<Likely too cold, wrong water chemistry. Mikrogeophagus ramirezi can ONLY be
maintained in very warm (28-30 degrees C), very soft (less than 10 degrees dH),
very acidic (pH 5-6) water conditions. None of your other fish will tolerate
this, and some, like the Rosy Barb and the Shrimp will be quickly killed by such
conditions. Mikrogeophagus ramirezi is simply NOT a community fish, and the
majority of specimens die within months when put into community systems.
Specifically, when kept too cold and too hard water their immune system is
suppressed, and they become prone to diseases such as Hexamita and
Hole-in-the-Head.>
?? I have tries frozen foods. Micro Pellets. Betta pellets, Betta flakes,
tropical flakes, and he/she won't eat.
<Likely sick, dying.>
He/she has a red spot on he back. So I started treating him with MelaFix. Since
it's been only 1 day.
<Could be Finrot, another opportunistic infection that affects fish when they
are stressed by a poor environment. So this is consistent with my analysis.>
There is no change yet.
<There won't be. Firstly Melafix may be cheap but it isn't effective so serves
no useful purpose except perhaps as a preventative. Once fish get sick, you need
more useful medications like eSHa 2000 (in Europe) or Maracyn (in the US).>
If know anything about this fish.
<Much information in cichlid books; look up Mikrogeophagus ramirezi. Widely
kept, bred and so the basics for its care are very well known. It's a shame
retailers don't tell people what they need PRIOR to purchase. Underlines our
mantra here that you should always RESEARCH a species BEFORE buying it.>
Why he/she won't eat.
<Wrong environment. Doomed.>
or even if it guy or a girl.
<Difficult to sex, but males tend to have longer dorsal fin rays.>
Please help me out.
<Have certainly tried.>
Thank you.
<Cheers, Neale.>
|
|
 |
Separating Red Eared
Sliders 7/17/2008
Hello,
<Ave,>
I have been reading and scanning your site for any information pertinent to
my situation. I have 3 red eared sliders, 2 females and 1 male. My male
turtle is becoming aggressive towards my 2 females, and from what I have
read so far it seems the wisest choice would to be to separate the male from
the 2 females.
<May well be if the habitat is too small. Sometimes a bigger vivarium with
at least two "islands" of land will mean the females can rest away from the
female easily enough. Most problems happen when they are crammed into a
too-small enclosure.>
My concern is, after doing a lot of reading, will the two females "miss" the
male or will the male "miss" the females?
<They won't miss him at all. Though do be aware that females can produce
(infertile) eggs away from the male, and this can lead to "egg binding" if
they can't lay them, a potentially fatal situation.
http://redearslider.com/reproduction.html
Obviously this causes a great deal of pain to the reptile, so you should be
aware of the symptoms and prepared to fix things should the worst happen.>
Is there such thing as turtle depression?
<If there is, it isn't something known to science.>
I got them as babies 4 and 1/2 years ago and they have never been separated
since, and I don't want them to feel insecure or lonely by me separating
them.
<Reptiles are generally pretty phlegmatic animals and Red-ear Sliders at
least aren't social animals in the wild.>
Also, I have read that female red eared sliders are more aggressive than
males.
<Not heard of this.>
Would leaving the 2 females together be a recipe for disaster?
<Nope, assuming the habitat is big enough for two dinner-plate sized
animals.>
They have not had a problem with each other at all so far, only with the
male. It seems that it would be ok to leave the 2 females together as long
as they don't fight. Any advice and suggestions would be greatly
appreciated! Thank you so much for your time!
<Hope this helps, Neale.>
Re: lowering ph in planted tank
7/17/2008
Any recommendations of buffers...SeaChem alright? seems from
what I can glean, I'll have to use both acid and alkaline buffer to
get the water stable. as well, any resource for finding out what
trace minerals, etc., if any, will be needed to get the water ready?
freshwater, planted, assorted species (rasboras, Dennison's barbs,
Glo lite tetras, Plecos, Corys).
thanks
<Assuming you have softened the water already, then any commercially
available freshwater buffer should work fine. Get one that steadies
the pH at 7.0; this is ideal for the widest range of fish and
plants. Do also remember that when pH drops below 7, biological
filtration becomes steadily less effective. You only need one
buffer; if used correctly it will prevent both pH rises and pH
drops. There's absolutely no point to softening the water below 10
degrees dH unless you have a specific fish that needs those
conditions and will tolerate no other. Ditto carbonate hardness,
which should be at least 3 degrees KH for pH stability. Hence a
50/50 mix of hard tap water and RO/rainwater can work extremely
well, while also being very cost effective. Remember, soft water is
all very well, but if it is expensive/time consuming to produce,
that may mean you do fewer/smaller water changes, which is bad! So
balance the critical thing (water quality) against the nice thing
(water chemistry) and find a balance that works for your time/budget
situation. Assuming a moderate amount of hardness, there should be
sufficient trace elements and minerals in the water for the fish,
and weekly use of plant fertilisers will help on the plant front.
Cheers, Neale.>
Re: lowering ph in planted
tank 7/17/2008
Darn Neale, you are smart!
<Or at least a good bluffer...>
Alright, I hope this isn't a stupid question:
<The stupid question is the one that isn't asked...>
is carbonate hardness the same as alkalinity?
<Different ways about talking about the same thing. Where general
hardness is merely how much calcium and magnesium salts dissolved in
the water, carbonate hardness (and alkalinity) measures the
carbonate/bicarbonate salts that inhibit pH changes (or in other
words, create alkalinity). Hence carbonate hardness and alkalinity
are related, while general hardness is something entirely different.
In fact general hardness is perhaps best related to Total Dissolved
Solids (or TDS).>
if so, the conversation is around 17.8 I believe, so alkalinity
should be at least 55 ppm or so (if I did the math right).
<Correct, 55 mg/l CaCO3 is (roughly) 3 degrees KH, and what I'd
consider the minimum level for an "easy to run" aquarium. Any less,
you get rapid acidification and potentially problems with plants
(because some remove carbonate and bicarbonate ions during
photosynthesis).>
my tap water has alkalinity in the 120-130 range (although it does
fluctuate from time to time), so if I mix 50/50 with RO or RODI, I
will I get roughly 60-65 ppm alkalinity, or is there more to the
equation than that.
<This is exactly so. If you go visit my web site, I have a computer
program called Soft Water Ware that does the specific calculation
for working out this kind of thing, called a Pearson's Square. It's
free, and it's Mac/Windows.
http://homepage.mac.com/nmonks/Programs/softwaterware.html
>
stated alternatively, what happens when you mix 120 ppm alk, 8.0 ph
tap water at a rate of 50/50 with RO or RODI water?
<What you'd get is very nice water for tetras, barbs, etc.!>
and "dH" you mention - is that general hardness?
<dH stands for Deutsche Haerte, or German Hardness. This is the
scale used to measure "general" hardness, which comprises both
temporary hardness (i.e., carbonate and bicarbonate) plus permanent
hardness (things like sulphates). Without getting into too much
depth, while related, general hardness and carbonate hardness are
important for different things. General hardness (that's measured in
degrees dH) is all about osmoregulation, i.e., how easily a fish can
maintain its internal water balance. Carbonate hardness (degrees KH)
is important to us because it is what prevents pH changes; the more
carbonate hardness, the resistant to acidification the water will
be. For historical reasons, many general hardness kits, particularly
in America, translate their results into the EQUIVALENT amount of
calcium carbonate required to get the same amount of hardness by
itself. Hence you might get a general hardness test kit with a
results card measured in mg/l or ppm calcium carbonate (CaCO3). But
it is important to understand that this is a conceit that exists
only to make things easier to understand (!!!). The general hardness
test kit itself will not be measuring calcium carbonate but calcium
and magnesium salts. That's why I prefer to use the "degrees" scale
instead of ppm or mg/l when talking about both of these
measurements, so people understand that they are entirely different
things.>
Thank you again.
<Hope this helps, Neale.>
|
Zebrafish Development, lit. searches,
scientific
7/17/2008
Hello,
I am currently working in a Cell biology lab that is using zebrafish as a
model system. What is the minimum temperature that a zebrafish embryo can
develop? I have read that adult zebrafish can tolerate a wide range of
temperatures (from 64-80F). I have also read that spawning is temperature
induced. Is it possible for zebrafish embryos to develop normally in
temperatures as low as 64F (since reproduction is stimulated by warmer
temperatures?)? If not, what is the lowest temperature that normal
development can occur?
Thank you very much for you time!
<Greetings. I'm assuming from your e-mail you're an undergraduate who's been
assigned a project at a research lab someplace. That's great. Now, I do
vaguely know the answer to this, but I'm pretty sure that putting into your
project a factoid gleaned from "some guy on the web", even one with a PhD
like me, isn't what your professors are after. What they want from you is to
do a literature research. Trust me on this: being a some-time university
professor myself, I know precisely and exactly what I expect from my
undergraduates. So, what I suggest you do is first find out the scientific
name of the Zebra Danio, and then use the bioscience/biomed literature
search tools (e.g., SilverPlatter) at your academic library to access the
scientific literature. Warning: the scientific name of the Zebra Danio has
changed at least once in the recent past, so you will need to use both names
to get the full overview. The developmental biology of the Zebra Danio has
been done to death, and it was something being studied decades ago. So the
answer to your question is certainly out there. Confused? Ask the librarian;
librarians are happy to help with focused questions like this and will know
precisely what tools are available to help you. In short: Good students use
the scientific literature; Weak students use Google and Wikipedia. It's as
simple as that. Good luck with your project! Neale>
Regarding Freshwater Stingrays'
Babies. 7/15/08
Hello,
Can you advise me as to how to take care of new born babies of PLE14?
<I assume you mean Potamotrygon species P 14; I've never heard of 'PLE14'
but I admit my knowledge of these animals is hardly encyclopaedic!>
What kind of procedures should I follow?
<Same as the adults, though removing the adults, particularly the male, is
recommended.>
I have almost a dozen of new born babies which came from the breeding of
PLE10 and PLE14.
When they were born, the babies seems to be in good conditions, however
after a couple of days they started behaving weirdly.
<Well done on getting the babies!>
Some of them start having fin curl issues, some start leaking sticky
substance from their bodies.
<Ah, this is the tricky bit with all livebearers, whether Stingrays or
Guppies -- getting the babies is easy, rearing them in good numbers is
difficult.>
Have checked the water ph (is around pH 7), changed the water gradually to
get it slightly more acidic, temperature was normal (around 27 degrees
Celsius), with filters and heaters. Everything seem to be in good condition.
<I wouldn't mess with water chemistry. It doesn't matter much to Stingrays.
What matters to them is water quality (ammonia, nitrite and nitrate) first
and pH stability second. Changing the pH, even to a nominally optimal value,
can stress them. Moreover, as with any freshwater fish, changing the pH
without changing the hardness as well is pointless and likely to cause pH
instability.>
The adults rays were in the same pond but they don't have any issues,
however the babies seems to be having a very tough time, in fact a few of
them have already passed on.
<For a start I'd concentrate on keeping water chemistry stable and water
quality optimal. I'd be tempted to isolate the juveniles, and perhaps the
females as well (the male Stingrays, like male Guppies, can be quite
persistent re: mating, and in the process can stress, even damage, the
females.>
Please advise what should I do to prevent the others from becoming the same
way.
<Can you tell me a bit about the pond, i.e., capacity, pH, general/carbonate
hardness? Do also review the substrate. While Stingrays definitely prefer
sand on the bottom of the tank, there's some experience to suggest sand can
trap dirt and/or bacteria and cause problems. While adults may be relatively
resistant if the sand is kept clean, juveniles may be more sensitive. This
is certainly the case with many other benthic fish, for example juvenile
catfish.>
Thank you very much.
Regards,
Qianling
<Good luck, Neale.>
Re: Regarding Freshwater Stingrays'
Babies. – 07/16/08
Hi Neale,
Thanks for the prompt reply! :)
<You're welcome.>
We have removed the babies from the main pond, to avoid adults having conflicts
with them.
<Good. Do also try and separate the female for a while, so she can "fatten up" a
bit.>
The ponds that we shifted the babies to is 4ft long 2 ft wide 2ft depth (6 in
one and 5 in the other), the pond for adults is 18ft long 10ft wide 2ft depth
(total 8 adults within it).
<Sounds great.>
There is no substrate at all, totally clear water. pH was around 7.2.
<All good.>
We did put in the pandan plant to minimise the ammonia, nitrite and nitrate
issue.
<Hmm... is it possible some pesticide spray came in with this plant? Also
remember that things like ceramic plant pots can carry various residues into the
aquarium too.>
Temp is around 26.5 ~ 27 degree Celsius.
<OK.>
Adults pond have 1 big and 2 small filters. Babies ponds don't have filter at
this moment.
<Ah, this isn't going to work in the long term... or even the short term. I'd
have at the very least a decent canister filter working here.>
All ponds do not have heater as my country's (Singapore) climate is pretty warm
unless there's storm in the night then perhaps the water temp might be slight
cooler.
<Sounds fine.>
What other things should we take note of?
<Nothing obviously remiss here, except the lack of filter on the pond with the
juvenile fish. I'd perhaps check the nitrite/nitrate levels first, and then also
consider whether the diet offered to the juveniles is sufficiently balanced. Do
also consider extrinsic factors, e.g., pesticide sprays, paint fumes, cooking
fumes. Use of activated charcoal to remove any potential toxins from the water
might be worthwhile if these are suspected. Consider running tests for chlorine
and copper, both of which are very toxic to Stingrays, and likely more so to
juveniles than adults.>
Please advise.
<There's really not much more to say. Generally if Stingrays are happy, they
breed. And if water conditions are good enough for breeding, the juveniles are
comparatively easy to rear. You could separate off one or two of the youngsters
to an aquarium where you can control water quality/chemistry more easily.>
Thank you very much!! :)
Regards,
Qianling
<Cheers, Neale.>
Re: Regarding Freshwater
Stingrays' Babies. 7/17/2008
Hi Neale,
Again Thank you!! :)
<Most welcome.>
Will inform my dad about all these issues that he has to take note
of. He's still considered as a newbie in rearing stingrays though he
does have a few more experience people with him however they seem
totally unsure what to do about the babies.
<Very good. The thing is to experiment. Healthy fish will produce
many batches of babies, so you can test out different ideas each
time until you find a system that works for you.>
You have been a fascinating help!! :)
Last question that got me seriously curious about these rays..
<Yes?>
How does one feed them one by one? using hand? or those stick like
thing to put the food in? Won't they be uncomfortable with the stick
like thing?
<Simply placing live foods at the bottom of the aquarium should be
enough to get the juveniles feeding. Bloodworms and other small
invertebrates would be the ideal. Small earthworms seem to be
especially favoured by Stingrays (and indeed fish generally!).
Frozen foods may work too. Surprisingly perhaps, I find using
forceps or other tools to hand feed fish works rather well. Fish
seem to accept an inanimate object much more readily than me
sticking my arm into the tank.>
Oops another... Can the babies eat what the adults are eating?
<Pretty much the same stuff, but smaller in size of course.>
Thank you very much!! :)
Regards,
Qianling
<You are welcome! Good luck, and how about some photos? Cheers,
Neale.>
|
Colomesus asellus and Carinotetraodon
irrubesco, comp. – 07/16/08
Thanks for your help with my previous marine question! Answered so quick
too!
I have another query. Would 2 c. asellus and a c. irrubesco be compatible
tankmates in a 120l tank (30x15x18)? I've heard it said they can get along,
but don't know what size is meant for 'getting along'. I love both types of
puffer fish and wondered if this was a possibility?
Thanks again, your website has been so helpful in my research over the
years!
Jo
<Jo, I can speak from personal experience here: Yes, this combination works
great! I have a trio of Colomesus asellus and a male/female duo of
Carinotetraodon irrubesco living in my 180-litre community tank.
http://homepage.mac.com/nmonks/Projects/pufferfish.html
For the most part they occupy completely different parts of the tank, the
Colomesus asellus swimming about the open water, and the Carinotetraodon
irrubesco sticking close to the ground, usually lurking under the rocks.
Occasionally there are contretemps over food, the Colomesus asellus
invariably using their greater speed to whip food away from the
Carinotetraodon irrubesco, but that's about it. Most pufferfish make poor
fish for multi-species system, but in my experience both of these species
work quite well. Colomesus asellus can be a bit nippy towards slow moving
fish, but my Carinotetraodon irrubesco seem completely harmless and even get
bullied by the female Pelvicachromis taeniatus who cohabits with them and
sometimes wants a particular cave the puffers though belonged to them!
Cheers, Neale.>
Re: Freshwater puffers;
Carinotetraodon irrubesco and Colomesus asellus cohabiting
7/17/2008
Again, thank you for the advice - I do have a twig catfish -
that would likely be nipped and need re-homing yes?
<This is Farlowella or Sturisoma sp.? Then YES, these catfish would
be completely unsuitable for a tank containing Colomesus asellus. My
Colomesus certainly do nip at Corydoras for example, though catfish
that hide away like Synodontis are ignored. Not sure about
Carinotetraodon irrubesco; never seen them nip fins, though some
specimens have been reported to attack and eat small fish. Never
seen that myself though, I hasten to add. Cheers, Neale.>
Re: Freshwater puffers;
Carinotetraodon irrubesco and Colomesus asellus cohabiting
7/17/2008
Thanks for the quick reply, Neale. Thought as much. Was going to
have the puffers and maybe some quick moving larger tetra (x-rays).
<Mine live with Diamond Tetras, Bleeding Heart Tetras and Glassfish.
Have cohabited with Cardinals, but the Colomesus did seem to take
occasional nips at them.>
I have two unpaired Bolivian rams (they've never bonded) and
wondered if they would be able to fend for themselves like kribs in
your tank?
<Likely, yes. Have kept Mikrogeophagus ramirezi in my 180-litre set
up without problems. Provided the cichlids have caves and cover,
they should be fine.>
Would leave me a tank free for a peaceful setup with my twig cat
(the Farlowella) and some nice sparkling gourami's/peacock gobies or
such-like if the rams could go with the puffers, but if not they've
done fine with twig so far.
<Sounds like a plan. Do bear in mind Farlowella are fast-water fish,
and one reason they often congregate by the filter outflow is their
need for not-too-warm, well oxygenated water. So think about
creating a mountain stream tank for Farlowella, with lots of
water-worn boulders, bogwood, and water current. Danios, minnows,
etc would be ideal tankmates. Bearded Corydoras (Scleromystax
barbatus) would also be great additions to such a tank.>
I know I'm going through a tank shift when I move house so trying to
organise some new set-ups!
Thanks again
<Good luck, Neale.>
Re: Freshwater puffers;
Carinotetraodon irrubesco and Colomesus asellus cohabiting
7/17/2008
Thank you for all the advice! Liking the sound of that set-up
suggestion for Twig.
<Cool. They're nice fish, often kept badly. Cheers, Neale.>
|
Re: sick fire belly-newt – 07/16/08
Hey,
Thanks for all this, I'm really grateful:), but if you can i.d really like
if you can recommend any of those stuff, like what type of plants, what kind
of vitamins and food, and the light. I have one of those but its broken:(
(my bunny got to the power cord).
Ok, please let me know, Bergur.
<Mmmm, no sense "reinventing the wheel" or other common/shared knowledge
sources. Please peruse this search result:
http://www.google.com/search?q=fire+belly+newt+culture&rls=com.microsoft:en-us:IE-Address&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7GGIC
Bob Fenner>
Adjusting CO2, pH, dKH, the "Shift"
Key on Your Computer Keyboard - 7/16/08
Dear Crew,
<Hello again!>
First, I would like to say thank you to Benjamin. I have confirmed the
bottle was indeed filled with co2;)
<Welcome, and glad to hear it. My thanks to Bob for pointing out a simple
test I overlooked/was ignorant of>
I have a 250gal planted aquaria, heavily planted, with 30 cardinals, 2
Corydoras, 5swordfish, 3 algae eaters, 3botias,1 black ghost.
All fishes seems to be doing fine- the swordfish just bred.
Plant growth, however, has been slow.
I'm experiencing difficulties in achieving the correct level of water
parameters (ph; kH and co2 levels) currently my tank water has ph=8.5 and
kH=11
I'm using sera test kit for testing the water kH and ph.
I'm using well water that has ph=7.5 ; and kH=11. unfortunately, haven't
found a gH test kits from my LFS, so I assume that the water has a high
level of gH, since it shows marking on dry pipelines.
<11 dKH also indicates high TDS>
Recently I bought a CO2 unit from my LFS and it has been running for about a
week. And made adjustment of about 5 bubbles per sec. and leaving it running
throughout the night.
Q: How come my ph doesn't show any changes? Should I pump up the CO2 rate?
<I wouldn't>
Is it because of the high kH?
<This is buffering it, yes. Consider an acid buffer in your water changes>
I've tried using RO water (with ph=7; kH=3)changes but after a few hours the
ph and kH went back to 8.5ph and 11kh.
<11 dKH in a 25o gallon tank is a lot of buffering capacity. Will take many
water changes...also, do you have an sources of carbonate in your aquarium?
Aragonite, limestone, etc?>
Also, it will come to a time when I will have to make water changes that I
don't want to keep buying RO water.
<With your hard water, it may be necessary for you to purchase an RO unit to
make your own- at a significant savings compared to purchasing the water>
What should I do to make my life easier?
<Use lower alkalinity in your water changes for a while, see if this helps.
To make my life easier, please read our page on "How to Ask the WWM Crew a
Question and do use punctuation, capitalization so that I don't have to type
edit your email. These are all archived for posterity (and Google!) and it
will speed the reply and posting- or prevent our ignoring it entirely- if
you follow our guidelines.>
many thanks,
<No problem!>
Hans.
<Benjamin>
Res Shell – 07/16/08
hi can u please check the picture and tell me what is the
problem with my res? thanks
<Looks normal enough to me. Do bear in mind that old scutes (the
"scales" that make up the shell) flake off as the animal grows. The
shell also turns from bright green/yellow to more olive/brown. Shell
problems come down to three things, so check you have them all
fixed: First, the water needs to be clean. Dirty water promotes
Shell Rot. Secondly, you need to provide a source of ultraviolet
light (specifically UV-B). A standard "reptile basking lamp" will
take care of this. Finally, you need to give your pet enough calcium
in its diet. Dried turtle food on its own is NOT sufficient; you
need to provide green foods (e.g., Elodea) plus calcium-rich
unshelled invertebrates such as krill.
http://www.wetwebmedia.com/FWSubWebIndex/turtshellrot.htm
http://www.wetwebmedia.com/FWSubWebIndex/RESCareBarton.htm
http://www.wetwebmedia.com/FWSubWebIndex/resfdgfaqs.htm
If you're doing all these things, then your turtle will continue to
remain in good health. If you're not... well, fix it!
Cheers, Neale.>
|
|
 |
Water Temp Info, goldfish sys. –
07/16/08
Dear Crew,
Hello again, this is Pierre. I have a question about my goldfish tank. The
water temperature always ranges from 78 degrees F to 82 degrees F. The
goldfish is happy like always, eats like a little piggy, is energetic, and
displays vibrant colors. However, I know goldfish like cooler water and I
want to know a safe way to lower the temperature of the water without giving
the fish temperature shock. I don't know if Ice Cubes are the way to go.
Thanks again!
<Hello Pierre. For a few weeks, such high temperatures will do no harm at
all. Increase the water circulation if you can, perhaps by turning the
filter to its highest setting or by adding an airstone. This way, oxygen
will be more effectively distributed in the water. But provided water
quality remains good, your Goldfish will be fine. Cheers, Neale.>
Black Moor Problems – 07/16/08
Dear Crew
I'm really sorry for being a nuisance but I really need some help. I've
never had Black moors before and my friend had got me one for my birthday
from the local petstore. I've had him for a month now, and for most of this
time he's been velvety black. recently I've noticed him changing colour
slightly and I don't know whether it's normal or not. I'm really worried
also that he's sick because he has his dorsal and pectoral fins folded
against his body. he's in a tank with a comet and a shubunkin, I don't have
a filter but I change the water every second day. He's still got his
appetite, and he interacts with me and the other fishes in the tank. I don't
know what to do and I'm really confused right now. Your help would be really
appreciated.
yours sincerely
Victoria
<Hello Victoria. Without knowing precisely what the colour changes are, or
what the aquarium environment is like, it is difficult to say what's going
on here for sure. However, from the sound of things, my assumption is that
Goldfish is reacting to poor water quality by producing extra mucous. This
makes its body look more grey than black. The clamped fins would be
consistent with this, too. The fact you don't have a filter is worrying:
despite Goldfish often being placed in tanks (or bowls) without filters,
their mortality under such conditions is very high. I'd encourage you to
read something on the basic care of Goldfish, and then review whether the
aquarium you have matches those conditions. Very often people make the
mistake of keeping them in tanks that are too small, not using filters, or
using water from a domestic water softener.
http://www.wetwebmedia.com/fwsubwebindex/goldfish101art.htm
Hope this helps, Neale.>
Re: Black Moor Problems
7/17/2008
Dear Neale
thank you so much for your help. I'm taking a look at fish tanks so
hopefully they might be getting a new home, but until then is it safe to use
filtered water? also the black moor is changing to a bluish/brown color and
I have a comet that was pure white changing to orange, are these color
changes natural? yet again than you for the help.
Yours sincerely, Victoria
<Hello Victoria. There's no point to using filtered water. Better to use
dechlorinated tap water. Do big, regular water changes (I'd say 50% per
week, at least). Using filtered water would get very expensive doing that,
to no advantage! Goldfish like hard water, so water from a domestic water
softener is bad, too. Black Goldfish sometimes turn bronze/green, and
changes from white to orange happen too. Goldfish all start off as green
when young, and then change colour as they get a bit older. Sometimes their
genes make other changes happen too. But do make sure you understand the
difference between a fish changing colour and something like Finrot, which
causes bloody patches to appear on the skin and fins. Goldfish are lovely,
tamable fish that genuinely enjoy human company. So spending a little time
and money giving them a good home will pay you back handsomely in the long
run. Good luck, Neale.>
Re: Black Moor Problems 7/18/08
Dear Neale
Thank you very much. I'm hoping that soon enough they'll both be back to
normal, its odd that the shubunkin hasn't been affected at all. thank you
again, all your help is greatly appreciated!
yours sincerely
Victoria
<We're happy to help. Keep reading, and keep enjoying your fish! Cheers,
Neale.>
UV Lighting for Reptiles: A new
problem with high UVB output fluorescent compact lamps and tubes?
7/15/08
Hi Neale
Christine over this way. I just wanted to thank you for all you help
answering all my questions. Also I just came across this on the internet and
thought you may find it interesting. I think this is what is wrong with my
turtles.
I think everyone needs to read this link and not use the UVB lights.
Thanks again Christine
http://www.uvguide.co.uk/phototherapyphosphor-cases.htm
<Hello Christine. This is one of those situations where humans tend to be
bad at judging risk. The same way we feel happy in cars (which have an
abysmal safety record) yet nervous in aeroplanes (the safest way to travel).
This report sites a few (twenty) cases of reptiles getting sick from one
particular brand of UV-B lamp. Yet the numbers of captive reptiles in bad
health because of lack of UV-B must run into the thousands if not millions
because so many people are too cheap/too ignorant to buy these essential
pieces of equipment. The laboratory work is beyond debate on this: without
access to UV-B, reptiles cannot process Vitamin D correctly. See here:
http://www.anapsid.org/gehrman2.html
My worry with the article like the one you've drawn my attention to is that
some people will read the article and decide NOT to use UV-B lights at all.
Some of those folks out of genuine concern, others because they're cheap and
can now rationalise away the need to buy a UV-B lamp. At most what that
article is saying is that one specific brand of UV-B lamp, the ZooMed
ReptiSun 10.0, has been correlated by some pet owners to observable health
problems. However, as someone who teaches biology including statistical
methods, let me make this completely clear: the authors of that web page
have demonstrated no statistically significant effect at all. We do not know
how many people also use ZooMed ReptiSun 10.0 and have perfectly healthy
reptiles for example. If each sick reptiles are only one in a thousand
healthy reptiles, then the effect is not significant. Moreover, simply
because two things happen one after the other (the reptiles get sick after
the new UV-B lights were installed) it does not mean the two things were
actually connected ("post hoc ergo propter hoc"). These reptiles could be
getting sick for other reasons, e.g., the fact the UV-B lamps used before
the new ones were installed were weak, and so the reptiles had already
started to develop a UV-B deficiency, but only later did the symptoms become
visible. Or these pet owners could be using these high-power UV-B lamps in a
way not recommended by the manufacturer, e.g., in a standard fitting that
places them too close to the animal. In short, while an interesting and
perhaps worrying article, reptile keepers should be fully aware that even if
one particular brand of UV-B lamps may have faults or may be easier to use
incorrectly, UV-B lamps remain essential parts of the kit and must be used.
Cheers, Neale.>
Re: UV Lighting for Reptiles: A new
problem with high UVB output fluorescent compact lamps and tubes?
-07/18/08
Neale,
Thanks for your reply. I will absolutely continue to use the UVB light, as
you said it is vital for my turtles to live as with all other reptiles. I
just think that these companies that manufacture these lights should be more
careful and let the consumer know the effects this could have on all
reptiles if not used properly. People grow to love their reptiles and for
something to happen to them is devastating. Without the knowledge and time
of helpful people as yourself that we could rely on, some of us (especially
me) would never know what to do to keep our reptiles safe and happy.
Thanks once again Christine
<Hello Christine. I think you've hit the nail on the head. Researching
potential equipment purchases is just as important as finding about a pet
animal before you buy it. Some brands and models may well be better than
others, and discussing purchases on the various pet-keeping forums is always
worthwhile. As you express clearly, owners can develop a real bond with
reptile and amphibian pets, even if it isn't always clear that those animals
take much interest in us! My main worry in the reptile-keeping side of the
hobby is that so many people, especially children, buy these animals without
doing any kind of research at all because they are "cool". Only later do
they realise that in many ways reptiles are very demanding and expensive
animals to keep. Cheers, Neale.>
Betta hernia?
Hi, I'm pet-sitting a male Betta fish right now, and today my family and
I noticed a longish pink thing trailing down from the underside of his
belly. He seems to be moving around just fine, but we're not exactly sure
what to do! Does he have a hernia, and if he does, what can we do about it?
~ Stephanie
<Greetings Stephanie! Assuming that this "thing" is merely a long,
string-like thing emerging from the anus, what you're seeing is faeces, and
more specifically constipation. Bettas that are fed nothing but
flake/pellets are prone to this problem, and in the long term it can cause
serious damage. So recommend to the pet owner he/she feed a more varied,
healthy diet that contains not just dried foods but also things like live or
wet frozen daphnia and brine shrimp. I'd recommend limiting dried foods to
only 50% the diet for any fish, including Bettas. Cheers, Neale.>
Re: Red Devil Has Not
Eaten in 1 Week! - 07/13/08
Red Devil Rolling Over
Thanks. Every day it is fish fish fish all day! Yes the washing machine
broke. Yes the teenager is giving me problems. Yes the house is a mess.
Today it was evident that the goldfish have the ich so I had to learn how to
take down the Magnum 350 and the Fluval without flooding the house and
medicate them. Taking those down was a huge project for us. Now that I
understand it will be easier in the future. But once again I am really
concerned because their tank has not cycled and I do not know if the RidIch
will harm the biological filter or the Plecostomus. On and on it goes.
Hopefully in another 2 weeks we will be out of the woods.
Plus now that I have the heater on the Red Devil and his water is a bit less
cloudy I see that he is rolling over and flashing (?) and do not know if
this is normal cichlid behavior or if I should look through the murkiness
and try to diagnose a disease. He is moving about more than he has in days -
doing the building, spouting rocks and so he seems a bit better. No-one
really discusses their behaviors enough for me to determine if I should look
for disease. Is rolling over common? Sad for me that the most tacky piece of
decor that he came with - and that I was planning on replacing - he is most
attached to - and when I move it his nest moves to be by that piece! Funny.
< When fish turn on their sides and seem to dash against objects it usually
means that something is irritating their skin. Could be parasites or
pollution in the water. Some medications can harm the biological filtration,
even when they say they are safe.-Chuck>
Re: Red Devil Has Not Eaten in 1 Week! 7/15/08
Red Devil Scratching
Yes, now that I have to medicate the goldfish I understand that
it will take much longer to for their tank to cycle properly. Since
we had a bit of a cold spell that brought on the ick I am going to
put a heater on their tank and set it so it kicks in only with
temperature changes. Would like to put a chiller on there too but
the cost of that along with the R/O water is getting crazy for me.
The cichlid has been coming out at night and not rolling or flashing
so I do not know if he is better or not. Are they primarily
nocturnal?
< No not really. Chances are the irritation still exists.>
We are keeping his area dark as much as possible and the cloudiness
is finally starting to clear. Again, I have tried to research
behaviors and have read of people wanting their fish to roll over
like a dog but do not know if this might be normal happy behavior or
evidence of his world gone awry with the bad chemistry upsetting his
equilibrium.
< I think it is more of the latter.>
I know he is far from well because he is hiding in his corner that
he built for himself and if he were well he would be far more
curious about us and our activities. Even with the heater I see that
the temperature still can fluctuate 3 degrees during the day and
night. He rolled over while visiting with my husband who loves him
and animals love my husband too. They can sense it. So maybe it was
OK?
< Central American cichlids can be quite responsive to people and
things outside their aquarium.>
I took his rocks out for examination to see if they were calcifying
and possibly adding to cloudiness of tank but the fish store guy
says no. I put them back in and he is not rubbing against them. (His
gravel is somehow contributing to the cloudiness in combination with
the bacteria I guess. I am told that when he stabilizes I need to
replace it.)
< Some substrates are not suitable for aquariums. Most of the
sand/gravel from pet shops should be ok after it is rinsed.>
Honestly I am having a bit of difficulty with your website because
there is so much I suppose. When I try to follow the advice to read
the Dr. on Marineland's' site I cannot find him. Trying to research
R/O water and buffers brings up a zillion articles for me to read so
I am overwhelmed to say the least. Thanks. Got to go make dinner
now.
< Dr. Tim Hovanec is no longer with Marineland and has taken his
articles with him to start his own business. After I talked to him
has agreed to repost his articles on his own website in the near
future.-Chuck> |
Freshwater Aquarium Questions.
Goldfish, sys.... mostly 7/15/08
The Questions in this message have been put in BOLD font for your
sanity, lol, the rest is details.
<Not much use here I'm afraid, as the messages get here in plain text. So I
guess I'm going to lose my sanity.>
I have a 5 gallon Eclipse Hexagon tank with a LOT of plastic plants (like 10
or 12 plants), a sterilized "hermit crab shell", a "cave" made of 3 rocks,
natural colored quartzy looking aquarium gravel, an incandescent light bulb,
a small (2.5 inches without tail fin) black moor goldfish, 2 silver hatchet
fish (1.5 inches long each) and varying numbers of snails, the population of
snails generally self regulates itself I usually never have more than 8
living snails that are visible, as of right now there are 4.
<OK, this tank is _way_ overstocked to start with. Goldfish need, minimum,
20 gallons a piece, and I'd reckon a 30 gallon tank so that you can keep at
least two specimens (they're social, after all, and don't like to be "in
solitary confinement"). So your number one priority here is to upgrade your
tank. Next up, hexagonal tanks are a bit of a gimmick really. The only
people who buy them are those without much fishkeeping experience. So yes,
the manufacturers are trading on ignorance. You see, they are too deep
relative to their surface area, so for any given volume you can't keep as
many fish as for a similar capacity rectangular aquarium. The only things
they're useful for are Bettas and systems containing only shrimps and
snails. Do remember there is no such thing as a "small" Goldfish, and even
your Black Moor will quickly grow into a 20 cm/8" monster if looked after
correctly.>
This tank was fully matured for a year before I put any of these animals in
there, because the tank was previously used to house baby live bearers for
my mothers old 55 gallon (without the decorations, but the same gravel).
When my mom sold the big tank, I kept the small tank running with the
hatchet fish in it.
<Hmm... would have sold the hexagonal tank and kept the 55 gallon tank
myself. No discussion about which is better.>
The hatchets weren't intended for the 5 gallon, they lived in my mother's
tank, but she bought a catfish that got large and ate most of her fish and
at the time she sold it, there was only a Pleco and the catfish and the
hatchet fish left out of many live bearers, including mollies and platys,
mom didn't want the hatchet fish to be eaten, so they put them in the "baby
tank" and when we sold the big tank, the new owners didn't want the tiny
little hatchets, so they stayed.
<With you so far...>
Anyway, fast forward. My aunt thought it would be a nice idea to buy me a
black moor goldfish for my birthday, without asking me or letting me know,
she figured I already had the tank, so it was alright, so the Black moor
lives there too, the snails came on purpose for help with algae. Since the
tank was so old before the adult fish got there, it was quite well
established. My question is, I recently have been wanting to put live plants
in the tank instead of the plastic ones, but I don't know if it would upset
anything or even if the plants would last with the goldfish.
<Goldfish eat plants. They are herbivores. In fact they get very unhealthy
if not given live plants to eat...
http://www.wetwebmedia.com/FWsubwebindex/gldfshmalnut.htm
So no, live plants aren't really an option. Besides, you'd be hard pressed
to illuminate a 5 gallon system sufficiently that plants would grow.>
This tank has been running in the current state for almost a year itself, so
the biological factor is established. I do not have a test kit (I know, I
know I should have one, but I never got around to it, with the babies we
didn't use one, so I just never got into the habit of using one. I change
50% of the water with a gravel vac once or twice a month, I never change the
filter media, I just rinse it under dechlorinated water every week and put
it back in, it has a bio-wheel which is never touched and there's algae
growing on the decorations, which I don't mind because it never gets on the
walls and the snails seem to have a tough time scraping algae off the rough
rock cave anyway. I use Tetra Aqua Aqua Safe Tap water conditioner with
Bio-Extract for the water changes and once or twice a month I drop in a
Jungle Bowl Buddy fizzing tablet to promote their slime coat and reduce
ammonia slightly, once a week I add two or three drops of AP Crystal Clear
water clarifier, which is half the recommended maintenance dose, but I
always just use half the recommended dose of it just to be safe, I also use
monthly a half tablet of Jungle Fizzing Ammonia Reducing Tank buddy (since a
whole tablet treats 10g) and on occasion I add a tiny pinch of API aquarium
salt to keep my goldfishes gills in good shape. I feed my fish Wardley
Tropical flakes and Aqua-Buddies Goldfish pellets, I feed them two different
forms of food because the hatchets can't fit the pellets in their mouths and
the greedy goldfish goes for the big pellets before he goes for the tiny
flakes, occasionally I put in a piece of fresh raw romaine lettuce for the
snails to eat. Besides obviously getting a test kit, what else can I do to
keep my goldfish and hatchets healthy, buying a new tank and decorations and
restarting a whole new tank is not an option right now, I enjoy the fully
matured tank I have and for the time being everything seems alright, no
distress and healthy appetites and active movements all around, I may buy a
new tank and get it started maturing sometime in the future, but right now I
don't have the money to start all over again. I am very very sorry this
message is so long, but I wanted to be sure you understood the entire
situation.
<Didn't spot any other questions in here. But the answer is "get a bigger
tank" because this one is a disaster waiting to happen...
http://www.wetwebmedia.com/FWsubwebindex/goldfish101art.htm
>
If you could please recommend a good test kit that will work with the
products I use that I can buy online, that'd be great too.
<I'd recommend any aquarist own a nitrite test kit and a pH test kit. These
two provide the easiest way to test for the two main sources of trouble:
poor water quality and water chemistry instability. What you're aiming for
is zero nitrite at all times, and that the pH remains stable between water
changes. Goldfish prefer hard, alkaline conditions, so the ideal is a pH
around 7.5, but the precise value doesn't matter so long as it doesn't keep
changing.
Hope this helps, Neale.>
Fish inquiry... Tetra, small
Characin sel., comp. 7/15/08
Dear Crew,
I'm pretty new to the fish keeping hobby but I have been researching
online. Here is my dilemma. I have a tank with serpae tetras who
keep to themselves (thank god), zebra danios, a rubber lip Pleco,
and platys.
<A "courageous" combination to say the least. Serpae tetras aren't
my recommendation for the community tank, as you seem to realise.>
I need a somewhat larger fish to be the so-called "attraction" fish
but I don't know which kinds will live peacefully with my other
fish.
<With Serpae tetras, not much! The obvious choices -- Angelfish,
Gouramis, etc. -- will simply be pecked to death.>
I have a 26 gallon tank, its pretty tall and its a bowfront. I've
been deciding between some kind(s) of gouramis, freshwater angels,
or silver dollars.
<No, no and no respectively. The Gouramis and Angels will be nibbled
to pieces, and the Silver Dollars get far too large for a tank this
size.>
Which species is best suited for my tank and well get along with the
tankmates; and if you have any other suggestions about other species
please let me know.
<To be honest, I'd not bother. I'd either up the numbers of the
species you already have, or perhaps add an interesting catfish of
some sort that can keep out of trouble. Serpae tetras for example
look their best in big swarms of dozens of specimens, when their
feeding frenzy behaviour becomes quite something to watch. Of course
any catfish that avoids trouble, like a Synodontis, isn't going to
be showpiece fish you're after.>
Also, ever since I transferred a red wag platy over to the bigger
tank, it has constantly been hiding even though none of the other
fish harass it.
<Almost certainly it has been nipped by the Serpae tetras and is
keeping a low profile. Serpae tetras don't just bite the fins from
other fish but also the scales, and such damage can be difficult to
see.>
Is there any way I can solve this problem?
<Not really, no.> Thank you, Pierre
<Hope this helps, Neale.>
Re: fish inquiry 7/15/08
Thank you for that info. Do you think there are any tetras that
I could replace the Serpaes with that would get along with angels or
gouramis? I might decide to take them back to the pet store.
Pierre
<Angelfish will simply view very small tetras, such as Neons, as
food, so you have to be careful. Certain other tetras, can be just
as nippy as Serpae tetras and will nibble on the Angels and
Gouramis. Black Widows (Gymnocorymbus ternetzi) and some of the
other Hyphessobrycon species fall into this category. My honest
recommendation would be to replace the Serpae tetras with more Zebra
Danios. Here's the thing: if you have one big school of a schooling
fish, it looks so much better than two small schools of different
schooling fish. You would then have one species at the top (the
Danios), one in the middle (perhaps a pair of Angels or a pair of
Lace Gouramis) and then your catfish at the bottom. Instead of a
jumble, you'll have an nice ordered arrangement. Otherwise, consider
X-Ray tetras (Pristella maxillaris), Diamond tetras (Moenkhausia
pittieri), or Lemon tetras (Hyphessobrycon pulchripinnis) are
excellent community tank tetras and the right size for your
aquarium. But as I say, better to have twelve schooling fish of one
type than six of two different types.
Cheers, Neale.>
Re: fish inquiry (Dwarf Gouramis,
Angelfish, selection)
7/15/08
I'm going to exchange my Serpaes this evening. I think I will
most likely go with the large school or danios and either dwarf
gouramis or angelfish. I'll let my little brother pick. Thanks so
much for all your help! Pierre
<My advise to anyone is don't get Dwarf Gouramis (Colisa lalia,
including fancy forms like "neon gouramis", "robin gouramis", and so
on). Unless wild-caught or locally bred, which the ones in shops
most certainly are not, these fish are extremely likely to carry an
incurable viral disease known as Dwarf Gourami Iridovirus. One
estimate by vets puts the incidence at 22% for Dwarf Gouramis
exported from Singapore. Because the virus is extremely contagious,
you only need one infected fish in a batch to ensure all the others
get sick too. The number of Dwarf Gourami e-mails we get would
astonish you, and they really are a complete waste of money. Almost
every retailer I know dislikes stocking them because so many die in
their tanks, but there is sufficient demand among newbie aquarists
who don't know better that they remain profitable. It's a shame,
because twenty years ago they were quite good little fish. Nowadays,
you're better off with the hardier (if slightly bigger) Colisa
fasciata and Colisa labiosus.
http://www.wetwebmedia.com/FWsubwebindex/dwfgdis.htm
If you buy Angelfish, do remember these are territorial cichlids.
You cannot sex them. But if you have two males, in a small aquarium
they are very likely to become aggressive towards one another. If
you buy a singleton, then there's an increased chance that Angelfish
will "go rogue" and attack other fish in the tank, so that approach
is not without risks. The standard way to keep Angels is to buy six
specimens, let them pair off as they mature, and remove the four
surplus fish when the time comes. Because Angels are such popular
fish, rehoming adults is not difficult and any half-decent aquarium
shop will take them off your hands. Cheers, Neale.>
Re: fish inquiry (Dwarf Gouramis,
Angelfish, selection) 7/17/2008
Can the dwarf Gourami virus spread to other species of fish or only the ones
in the Gourami family?
<This is a complex question. The short answer is yes, the virus can spread to
other species in other families. But so far as I know, the only scientifically
documented example is where Dwarf Gouramis Iridovirus appears to have infected
Maccullochella peelii, and Australian perch-like fish belonging to the
Percichthyidae family. There are no reports that I am aware of where the virus
has caused problems in other species of Gourami though. Hence my recommendation
that Colisa fasciata and Colisa labiosus are safe, reliable alternatives. Yes,
they aren't quite as colourful, but they are still lovely fish and much, much
more likely to live long and happy lives. If you want a small, non-aggressive
Gourami for the community tank, these are the ones to go for. Cheers, Neale.>
|
| |
|