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FAQs About Goldfish Systems: Tanks Themselves,
Size/Shape
Related Articles:
Goldfish Systems,
Goldfish 101: Goldfish May Be Popular, And
They May Be Cheap, But That Doesn't Make Them Easy Aquarium Fish by
Neale Monks, Goldfish
Disease,
Goldfish Nutrition,
Goldfish, Goldfish Varieties, Goldfish
Mal-Nutrition,
Related FAQs: Goldfish
Systems 1,
Goldfish Systems 2,
Goldfish Systems 3,
Goldfish Systems 4,
Goldfish Systems 5,
Goldfish Systems 6,
Goldfish Systems 7,
Goldfish Systems 8,
Goldfish Systems 9, & FAQs on Goldfish
System: Lighting/Tops,
Decor, Gravel,
Plantings,
Heating/Temperature,
Aeration/Circulation,
Filtration, Water
Quality (Algae, Smell, Cloudiness... Ammonia,
Nitrite,
Nitrate,
Nitrogen Cycling),
Maintenance,
Trouble/Fixing, &
Goldfish 1,
Goldfish Behavior,
Goldfish Compatibility,
Goldfish Feeding, Goldfish Disease, Goldfish
Breeding/Reproduction,
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Goldfish are NOT bowlfish... A minimum sized/volume should be no less than
thirty gallons
to support even just one Goldfish
long-term. Too small volumes won't provide sufficient oxygen, room to
move, or space to dilute wastes. Squatter, rather than tall and
narrow... more surface area the better. |
Fluffy fish. GF hlth.. Env. "classic"
9/17/09
Hi there
I have 3 goldfish, not too sure what kind, as have only had them for a
couple of weeks, though now, one of them seems to be fluffy, it looks
more like a blowfish than it does a goldfish,
<Likely Fungus and some sort of systemic bacterial infection. Not
promising, I'm afraid. Both these things are caused by bad maintenance
in almost all instances, so it really comes down to finding out how YOU
made the fish sick. Once we've established that, we can talk about cures
and prevention.>
also doesn't seem to be very happy, e.g., hiding in the plants and
treasure chest in its tank, the tank is a 9ltr,
<Dismal. Look, a single Goldfish needs something like 25 gallons/90
litres.
You cannot, repeat CANNOT keep Goldfish, or indeed any fish, in a 9
litre tank. Just won't work. Did you read anything before buying these
poor fish?
I hate being the person doing the scolding all the time, but if you had
read anything about goldfish, you wouldn't have bought a 9 litre tank.
Here's how it goes. Person decides to buy a pet fish. Walks into shop.
Sales clerk sees totally ignorant person browsing 9 litre tanks, and
thinks, "Sucker!". Sells that customer 9 litre tank, plastic plants,
bubble-operated ornaments, and all the other junk he can think of.
Customer
walks out, and a few weeks later all his/her fish are dead. Neale gets
an e-mail via WWM, that exasperated wannabe fishkeeper is frustrated,
and Neale has to explain that they did everything wrong. Neale, since he
likes animals and cares for them, gets worked up, and writes a
short-tempered e-mail back to that wannabe fishkeeper. Everyone loses,
especially the Goldfish, who's dead.>
just changed the water and put water conditioner in two days ago, fish
only came out with this yesterday, any ideas would be greatly
appreciated,
<Read here:
http://www.wetwebmedia.com/FWSubWebindex/goldfish101art.htm
You need a MUCH bigger tank. No excuses; if you don't want a bigger
tank, or can't afford one at least 90 litres in size, then don't keep
Goldfish.
What you're doing is cruel and thoughtless. You also need a filter, and
water changes should be limited to 25% per week so that water chemistry
doesn't vary too wildly. Goldfish prefer hard water, so you need to
think about that too. Hard water isn't salty water, so don't imagine for
a nanosecond that adding "aquarium salt" will make things better. What
else?
Oh yes, diet. These are herbivores, so if you're feeding just flake or
pellets, you'd likely to end up with constipated Goldfish. See here:
http://www.wetwebmedia.com/FWSubWebindex/gldfshmalnut.htm
>
they belong to my 5 year son,
<No, it doesn't belong to your son. It belongs to you. Let's remind
ourselves we're talking about animals here, not toy soldiers. Animals
come with responsibilities, and a 5-year-old couldn't possibly handle
them. So, let's get real here, it's your aquarium, not your sons. What
are you going to do about it? Why not show to your son that animals have
needs that have to met, and while they're fun to have around, they're
also hard work. Don't want to teach that lesson? Then don't keep fish.>
Grrr, would hate for it to die.
<As would I. An anti-fungal medication (not salt, or tea-tree oil such
as Melafix) will fix the cotton wool growths that you see. As for the
bloating, if you're lucky, that's constipation, and proper feeding will
fix
it. If you're unlucky and it's dropsy (in which case the scales will
stick out from body, like a pine cone) than the fish is pretty well
doomed short of a trip to the vet for antibiotics.
http://www.wetwebmedia.com/euthanasia.htm
Hope this helps, Neale.>
Cheers... GF? Sm. sys. 9/17/09
Thanks for email back,
<No problem.>
I actually didn't buy the fish or the tank, they were a gift to my son
for his fifth birthday, I had absolutely nothing to do with the purchase
of anything to do with either the tank or fish either, thank you for all
the useful info, and I am sorry you got frustrated with it all
<Well, I'm not frustrated with you; if I was, I wouldn't have taken so
long to write back. But I do get frustrated that people (for whatever
reason, good or bad) buy small fish tanks, stick goldfish in them, and
then see them die. It's senseless, it's easily avoidable, and yet it
still happens.
All I can hope is that now you do know what to do, you'll listen to your
better angels and make your Goldfish happier and healthier.>
Sent from my iPod
<Sent from my MacBook Pro. Cheers, Neale.>
Chocolate Oranda fish 5/17/09
hello,
<Hi,>
I've just bought two Oranda fish for my daughters and put them in a 21
litre tank.
<Uh-oh...>
While looking on your site to find out how to sex them I've discovered
the keeping of them is going to be much harder than I imagined! Firstly
I haven't got the room for a huge tank so what can I do to make their
lives less miserable in pitifully small surroundings?
<Nothing. 21 litres (or 5.5 US gallons) is simply too small for
Goldfish, full stop, end of discussion. Even a tank five times that size
would be "adequate" for two Goldfish rather than "comfortable". I can't
stress too strongly how many Goldfish are stuffed into too-small bowls
and tanks, and
then die shortly thereafter. It's a shame these small plastic aquaria
are so inexpensive: they are basically a con, and despite being "cheap"
in terms of pounds, shillings and pence, they're utterly useless for
keeping fish, so the shops that sell them are essentially tricking
people into wasting their money. If the tank had a heater, you could
keep a single male Siamese Fighting Fish in there, but without a heater,
that won't work. So you see my point about these tanks being useless!>
Secondly, what's this about peas, what kind of peas, and what else can I
feed them?
<Cooked or tinned peas generally work. Beyond that, Goldfish aren't
fussy, so if Petis Pois are what you have, they'll eat them!>
Thirdly it said on the box not to overcrowd the tank but I read that the
wee things need hidey holes, help!
<Goldfish don't really care about caves, but they do like things like
plastic plants that provide shade and structure to the aquarium. But
otherwise, provided you don't use garish colours such as My Little Pony
pink and blue, which will stress them, they aren't fussed. Just think
about the colours/objects in a pond, and go with that.>
I've got a filter in my tank that I'll clean out regularly (but not too
regularly because I don't want to stress them out) and I've got an air
pump to put oxygen in the water, is this ok?
<So far as it goes, yes. These Orandas won't live long in 21 litres
though. Grab a ruler or tape measure. Look at how big 20 cm/8 inches.
That's the size of their bodies when mature; the fins are on top of
that! Now, compare that size to your 21 litre aquarium. See my point...>
Oh and I live in Scotland so I think it's a hard water area although no
clue about ph!
<Some of Scotland has hard water, but a lot of Scotland has soft water.
Hence, as you may know, England brews beer (where hard water is
required)
while Scotland distils whiskey (where soft water is best). Since
Goldfish need hard water, and never do well in soft water, this is a key
piece of information. If your kettle "furs" up every couple of
months, then you probably have hard water.>
Lastly I'm sorry about being so fish ignorant I thought watching them
swim about would relieve stress but I think this is a myth!
<It's not so much a myth, but rather fishkeeping is easier and cheaper
compared with keeping, say, a dog or cat. But a fish is an animal, and
like any animal, it has needs. You ignore these at your peril! Some
folks assume fish are like pot plants, so that all you do is add water.
They're not, and our post bag each day underlines the fact much can go
wrong if you don't follow the rules.>
Please help me I don't want to be a fish killer or traumatize my
children!
<Many of life's dramas can be read by reading a book about something
before we actually do that thing...>
Sorry again
Yours Suzy.
<Cheers, Neale (who went to school in Aberdeen, no less).>
My goldfish (Pearlscales;
big fish in a small tank) 4/22/09
Hi there,
<Ave,>
I read your answers to peoples' questions regularly as I have 3
tanks myself. One tank with 5 tiny Pearlscales - fully cycled - no
problems; next tank has 3 larger Pearlscales - cycled media still
waiting for full cycle - water changes every alternate day and use
Prime and salt .
<Tiny = babies. Do remember Goldfish grow big, and quickly! These
are very messy fish, so you will need a big tank.>
slight nitrite readings but fish very happy.
<These two facts aren't related. Nitrite, any nitrite, is dangerous.
Even if your fish seem happy, they can still be biologically
stressed, and you won't see trouble until its too late. Fix the
nitrite problem.>
On the weekend on I bought 2 large Pearlscale ping pongs from LFS
for $70.00 each.
<Yowser! Expensive fish! Hope you've got a good tank for them. Let
me summarise briefly: seven Goldfish will require a large tank, at
least 250 litres (66 US gallons) to do well. You'll need a
reasonably robust filter,
something with a turnover around 6 times the volume of the tank in
turnover per hour. So a 250 litre tank would need a filter rated at
1500 litres per hour. Sure, these fish aren't strong swimmers, so
you'd use a spray bar and a few bits of smooth bogwood to break up
the water current. But you will need generous turnover just to keep
the ammonia out of the water and the silt from the substrate.
Goldfish across the board need hard, alkaline water: pH 7.5,
hardness 10+ degrees dH. If you aren't doing all these things, or
prepared to, you'll have problems. And if you're spending serious
cash on pedigree Goldfish, then you want them to last their full
lifespan of 20-30 years!>
They looked o.k. at the shop, but when I got them home, after
floating them for 15 min.s in bag, I put them in small QT Tank
bought for purpose.
<"Small tank" and "Large Goldfish" should never go together.>
I had put in cycled material in filter and heater and airstone,
checked ph, ammonia, nitrite and temp before putting them in - all
good.
<Define "good". Are we talking about 0 ammonia and nitrite, pH 7.5,
and a temperature around 18-20 C?>
The orange one just went to the bottom and sat there breathing
heavily. he made a few attempts to rise over next day, but mostly
just sat on bottom.
The white one looked more lively and was breathing ok. However, I
noticed they were very pale around gills and gills were mottled.
<Uh-oh; get them out of the small tank, and put them in something
reasonable; 100 litres or so for 2 large Goldfish, at minimum, even
as a quarantine tank.>
Both their faces had a bluish tinge and eyes were a bit opaque.
<Mucous; this almost always means they're reacting to some negative
aspect of their environment. Mucous production is the first line of
defence a fish has against things like poor water quality or sudden
pH changes.>
They both ate a little - i went to Uni next day and rang LFS to say
one was not well. Came home and white one was not breathing well
either gills were sunken, mottled red and white and noticed a couple
of flat largish looking spots in rather than on their tail fins and
dorsal fins but other wise not a mark on their bodies. Woke up today
and both were dead.
<Unfortunately, I'm not surprised.>
Took them back to LFS with water from tank. They said I had an
elevated ammonia reading - between 0ppm and 0.25 so there was
nothing they could do.
<The tank was too small, the filter likely inadequate, and so
ammonia accumulated in the tank faster than either the water could
dilute or the filter remove. Completely predictable if you put these
fish in "small"
tanks. I really cannot stress this enough: Goldfish need BIG tanks.>
I was mortified to think that something i had done had killed them,
but they were never really well and only lasted 2 days - from Sunday
to Wed.
<While I can't be sure, if the fish were happy at the retailer, and
died within days or being brought home, then it is very likely you
*did indeed* do things that caused their death. Review what Goldfish
need, and act
accordingly next time:
http://www.wetwebmedia.com/FWSubWebIndex/goldfish101art.htm>
Help - what could have been wrong.
Regards
Xochi
<Hope this helps, but I'm sorry I couldn't help sooner. Cheers,
Neale.>
Need Help (Another sick Goldfish, another 10 gallon tank...)
4/12/09
Hi All,
From Tyson & Jolene
We have just recently got started in to the aquatic world and have
not had the best luck. Just last week we bought a 10 gallon tank and
added about 40% cover fro the fish. We treated the water with Aqua
plus which removes both Chlorine and Chloramine and let the water
sit to become room temperature or the same as the previous water the
fish were in.
We bought 2 Shubunkin goldfish both about 3 inches in length. All
started out great the were swimming around and enjoying their new
home or sow it seemed. We fed them once a day about 10 pellets of
Hikari Wheat-Germ. On the second day we had the fish one
(Drum-Stick) started acting strange always going to the surface and
almost gasping for air. The fins seem fine, all standing and no
deterioration but he was moving around rather slow but there did
seem to be an almost spasm or twitch to his tail which we accredited
to stress.
The other fish (Frout) almost seemed to get agitated and attack the
side walls as if another fish. Both fish were opening and closing
their mouths as if eating almost constantly is this regular?
On day 3 of owing the fish when we came home Drum-stick was floating
on the top on his side and one of his eyes had turned red. When you
touched him he would swim away but always float back to the top with
the same side up.
What would cause this? The next morning he had passed.
I have taken a water sample and Drumstick back to the pet shop but I
will no have the results for this email. I changed the water and
Frout seems to be doing better but he now seems to be still opening
his mouth constantly.
He ate a couple pellets but no many. Do you have any suggestions of
what we might do to give this fish a good and happy home?
Tyson & Jolene
<Hello Tyson and Jolene. This is the third or fourth such e-mail
today!
Must be a record. If you check today's (4/12/2009) FAQs, you'll find
a number of messages about Goldfish:
http://www.wetwebmedia.com/daily_faqs3.htm
So please, save me from typing all that out again by reading those
instead!
In particular, let me draw your attention to the fact 10 gallons is
too small for Goldfish, and nothing you do will help short of buying
an aquarium at least three times the size, assuming you want to keep
multiple
Goldfish (if you were feeling particularly cruel, you could keep a
singleton in 20 gallons I suppose, but they're social fish, so why
bother?). You also need a robust filter, not some poky
hang-on-the-back
unit. Do read my article on keeping Goldfish, here:
http://www.wetwebmedia.com/FWSubWebIndex/goldfish101art.htm
Let me summarise though: Goldfish are pond fish, not aquarium fish.
If you want to keep them indoors, you need a big aquarium. The fact
your fish is/are sick/stressed simply demonstrates that water
quality is poor and you're nor providing the conditions this species
needs. I cannot stress this strongly enough; whatever ideas you have
about Goldfish coming from seeing Goldfish swimming in bowls on TV,
that's garbage in reality. Any pet store that told you a "small"
(i.e., baby) Goldfish would be fine in a 10 gallon tank saw you as
being someone inexperienced enough they could "sell a bill of goods
to" as the Americans say. I prefer to deal with reality, and with
Goldfish, that means a 30 gallon tank and a reasonably powerful
internal or external canister filter optimised for biological and
mechanical filtration. Hope this helps, Neale.>
Telescopic goldfish, var., sys. – 04/12/09
i just bought 3 telescopic goldfish and after i put them in my tank i
noticed that one of them have a lot smaller dorsal fin is this normal ?
is it bad ? and this is a stupid question will it grow back ?
<Assuming that these were store-bought rather than pedigree Goldfish,
yes, this is probably nothing other than variation. Won't grow back, but
not a problem either. I hope you have a nice big tank, and that it's
already cycled and adequately filtered. Telescope-eye Goldfish get to
about 20 cm in length and three specimens will need at least 125
litres/30 gallons.
Funnily enough, I've just answered a couple of queries today from people
with sick Goldfish in too-small tanks. In the meantime, do see here:
http://www.wetwebmedia.com/FWSubWebIndex/goldfish101art.htm
Cheers, Neale.>
Re: telescopic goldfish – 04/12/09
have two more question. i only have a 10 gallon tank right now plan on
getting bigger is this ok for now ?
<No.>
and my water wont stay clear why tank to small?
<Precisely so. Goldfish need at least 20 gallons when small, and 30
gallons or more as adults. They are schooling, messy fish -- so don't
skimp on filtration!>
when should i get another tank ?
<As/when the pet stores open in your area. It's Easter Monday tomorrow
here in the UK at least, and that's a bank holiday. But Tuesday the
shops should be open. Buy a big aquarium with a heavy-duty filter. Don't
get mislead by using small, weak filters just to save a few bucks; trust
me, you'll regret it. Cheers, Neale.>
New Tank Set Up, Goldfish 5/1/08
I've had tanks in the past and miss
them.
<Come on back to the fold...>
I am getting ready to start a new tank and at our local aquarium store, I found
a 37gal tank but it is square and tall. It looks really cool and I wanted to see
if that would be an issue in the long run with fish. I know that goldfish need
longer, wider tanks to swim in, but if I were to keep smaller freshwater fish,
would this be a problem?
<Not likely if kept circulated, filtered... carefully fed and maintained>
I am not keeping cichlids or fish that will grow large in size either.
Aquarium stores want to sell you something.
<Is their job>
I tested the guy by asking if this tank was good for goldfish, knowing it wasn't
and he said "sure"! I appreciate your help and your honesty in answering this
question for me.
<Mmm, as stated, these fishes do prefer more "squat" profiles than "show" for
swimming, gas solubility reasons... Bob Fenner>
Safest way to introduce a new goldfish 10/13/08
Hi everyone,
<Hello,>
I'll start by thanking you all for the tireless work you do in answering
everyone's questions and posting articles. It really is very generous of you and
I know the info I have received on your site has made all the difference to my
fish's happiness and my enjoyment. I have thanked you before but it's worth
doing so again.
<Thanks for your kind words.>
I have an 8 gallon tank (currently empty) which previously housed a small Black
moor for about 8 weeks. During that time it never really cycled and got stuck at
the nitrite stage with me doing water changes every day to prevent nitrites
getting to high (they remained at around the 0.5ppm level with water changes).
<Likely "cycled" as far as it could; in small tanks the supplied/installed
filter may never be able to remove the nitrite and ammonia sufficiently quickly
enough to cover the mess created by Goldfish.>
So, when the new 35 gallon tank arrived I moved the fish in almost straight away
(after 3 days testing) as I figured if he was going to be stuck in a cycling
tank he would much prefer it to be the larger and more interesting one with the
decent filter which (thanks to Neale) is rated just over 6x water volume.
<Cool.>
I'll add now, for everyone else who reads this mail, if anyone wants to know the
advantage of housing a goldfish in a bigger home (beyond the water quality
problem - which is in itself a great reason to do the right thing) they should
see how ridiculously happy my fish seems now he has space, real plants to munch
and something to do all day. Despite him seeming "fine" before I swear now he's
almost giddy with glee (perhaps I am anthropomorphizing to a certain extent but
the different in behaviour really is remarkable).
<You get it! That's the point to upgrading Goldfish to bigger tanks -- it isn't
that they won't survive in small bowls or tanks (some certainly do survive) but
you don't see them at their best. Spending a little more money up front turns
your pet from being a lingering fishy ornament into a happy, active pet.>
Anyway, back to my question... The final stage in the "Make Fat Tony Happy" plan
is to get him a friend in the form of another fancy goldfish. I am now unsure
how best to go about it. The options as I see them are:
1) keep the smaller tank going, keep feeding it and wait until it cycles then
use it as a quarantine tank for the new fish before moving it to the 35 gallon.
<Possible.>
2) wait until the bigger tank has fully cycled then add the new fish straight in
<Also possible; quarantining is the ideal, but if there's only a single fish in
the existing tank, and treating with anti-Finrot or anti-Whitespot is safe (as
it is with Goldfish) I might be tempted to risk introducing diseases rather than
expose a new fish to unhealthy (non-zero ammonia) conditions in the small tank.
It's really 6 of one and half a dozen of the other.>
I would really prefer option 1 as it seems the safest option for everyone.
However, I am concerned about the lack of cycling in the smaller tank when my
fish was previously kept in there.
<Well, you'd certainly need to keep adding the odd pinch of flake to ensure the
existing filter stays "alive".>
Perhaps 8 weeks wasn't long enough or perhaps in my concern for the fish I was
keeping the nitrite levels too low and now that I can allow them to build up as
they want the cycle will come with time?
<Most tanks cycle in under 6 weeks. Goldfish being Goldfish, short term exposure
to ammonia and nitrite doesn't usually cause undue hardship to the more robust
varieties (Moors, Comets, Shubunkins, etc.). It's the delicate fancy varieties
that are most sensitive (Ranchus, Pom-poms, Celestials, etc.).
Or perhaps the silly small tank and silly little filter just never will be up to
the job of housing a goldfish, even just for 3 or 4 weeks and even if I cycle it
without a fish as soon as I add one we'll hit water quality problems
immediately.
<This argument certainly has its merits.>
I guess I'm just asking your opinion on the safest, least stressful approach for
both my existing fish and the new one? As I can now do water changes in my sleep
I'm not looking for the easiest option at all, but the best one for the fish.
<I'd make sure the existing Goldfish and its aquarium is in good condition, and
then add a new fish to that aquarium directly. The risk is small, and any
potential penalties in terms of diseases shouldn't be difficult to handle. Do
take care choosing tankmates: Moors are best kept with their own kind, classic
Fantails, or single-tail Goldfish like Standard Goldfish and London Shubunkins
that aren't quite so frenetic as Comets (these latter are best left in ponds).
Moors they tend to be a bit hard on the more delicate Fancies, taking the food
and asserting their dominance too easily in the "pack". Basically, don't combine
them with anything [a] lacking a dorsal fin; or [b] with weird growths on its
head.>
Thanks again!
<Cheers, Neale.>
Goldfish (BiOrb - the old, old story) 11/25/08
Hello, I was wondering if you can help me, I own a biorb tank ( the
medium sized one) and I have had three fantails and a lion head
living in there for over a year with no problems. Then all of a
sudden they all seem to have got some mystery illness. They are all
just sitting at the bottom of the tank with little movement; they
hardly even come up to feed anymore. The worse symptom is that they
are all covered with this white substance all over their body like a
cobweb even in the gills, and the goldfish's tail seemed to just
gradually disappear?? Two of my fish have already died and the other
two have still got the disease rather badly. I have been looking
around and I cant find anything to do with this strange white cobweb
like substance all over their bodies. I clean them out once a week
by doing a 2/3rd water change and they seem to perk up for about 10
minutes after I've done it. Thank you for your help x <Hello! I
never like answering questions about Bi-Orb tanks because I know
they're expensive and people don't want to hear what I tell them.
But the problem is that these tanks are rubbish. They are certainly
of no use whatsoever for keeping Goldfish. They are too small, don't
have enough surface area for oxygen to get in, and the filtration
system is too weak. They are the wrong shape for Goldfish.
Everything about them is wrong, except for the fact they contain
water, which at least makes them better than trying to keep a
Goldfish in a rabbit hutch. But that's the only "good" thing about
them. In terms of usefulness, they have none. The reason your fish
look happy after a water change is suddenly they're in good water
conditions. After a while the water goes bad again, and they become
unhealthy. The white "cobwebs" are likely Fungus, and will need to
be treated using something like eSHa 2000 or some other proprietary
formalin/copper-based medication. Avoid rubbish like Melafix,
Pimafix or the use of salt. Finrot may also be present, and this
will likely be why the fin membranes are dissolving. Medications for
this include some of the formalin/copper-based ones that also treat
Fungus, or you could use an antibiotic such as Maracyn or Furanace.
It is possible you're also seeing excessive mucous production, which
appears as whitish slime on the bodies of Goldfish when they are
stressed. In any case, beyond treating for Fungus and Finrot (I'd
encourage you to treat with a medication that cures both) your
Goldfish will need a bigger, at least 30 gallon aquarium with a
decent filter. Do remember NOT TO USE carbon in the filter when
using medications. Your Bio-Orb is of no further value to you. By
all means voice your frustration at your retailer for selling such a
piece of rubbish, but I'm afraid your Goldfish don't have any
options but to move to a new home.
http://www.wetwebmedia.com/FWsubwebindex/goldfish101art.htm
Cheers, Neale.>
Re: Goldfish (Bio Orb - the old, old story) 11/26/08
Thank you for getting back to me, sadly the last two fish died this
morning. I did have an idea that it could be the tank, but then i
thought why would anyone invent a tank for goldfish, that goldfish cant
be kept in. i did put them in another tank a few days ago with
treatment but it must have been too late. don't worry i wont be using it
again, luckily i didn't pay for it anyway i got it given (i wonder why).
thank you for the honest reply. <Sorry to hear the bad news. By
all means use the Bio Orb for Cherry Shrimps and so on. But I don't
recommend their use with fish. Cheers, Neale.>
Black Moor, BiOrb - 01/25/2006
Hi,
<Hello.>
I recently bought a 30L BiOrb and was advised by the pet store that it is very
suitable for a Black moor goldfish.
<30 Liters is just shy of 8 US gallons; this is less than the 10 US gallons that
we tend to recommend as a bare minimum per goldfish.>
I have introduced a 1 inch black moor. Is this tank suitable?
<He will certainly need a larger space as he grows. Whether it is suitable
right now will depend upon whether or not you can keep ammonia and nitrite at
ZERO, nitrate less than 20ppm, in this small space. Black moors, like all other
goldfish, produce a great deal of waste - you might not be able to keep up with
him. Furthermore, the surface area of these and other "bowl" shaped systems is
really inappropriate for fish. A ten or fifteen gallon tank would probably be
cheaper and more appropriate a home for him. I really would have this social
animal in a tank of 30 gallons or more (115 Liters or more) and provide him with
another goldfish pal.>
The instructions with the BiOrb claim the filter cartridge should be changed
every 6-8 weeks, but I have since read that the stones in the filter cartridge
can be thrown away (if this is true when should they be thrown away?)
<If the "stones" are black (carbon), a week or so is fine; they lose their
efficacy at that point or sooner, but in your case it won't be harmful for them
to stick around for the time the instructions recommend.>
and the sponge swilled in the partial water change tank water, and re-used time
and time again until worn out then cut in half when introducing a brand new
sponge (half a sponge at a time). Is this correct?
<This would be fine.>
Also how often should I be carrying out a partial (30%??) water change, weekly?
Because the instructions only advise this to be done every 6-8 weeks!
<Oh my. With a goldfish (read: poop machine) in this tiny tank, weekly water
changes of 20% would be effective at his current size. Waiting 6-8 weeks would
be asking for trouble.... Disease, toxic water conditions....>
I am quite confused after purchasing a tank that is supposed to be a very simple
and easy way to have a pet fish!!!!
<Goldfish are not the easiest fish to care for. They're serious waste
producers. Keeping their environment clean is a challenge, and in this very
small system, it will be even more challenging, and impossible as the animal
grows up. You might consider smaller, less "poopy" fish; a single male
Betta/Siamese fighting fish makes a great companion that's easy to care for. Or
if you like groups of fish, a few white cloud mountain minnows or zebra Danios
might look nice. I would go for a Betta; they're great on personality.>
Also the black moor has an upturned right anal fin (I think its called this the
two small fins at the back end bottom of the fish)
<Good description - these are ventral or pelvic fins.>
it sticks up against the right side of its body - will this cause him problems
when he grows?
<Nah, not at all. It may be a genetic deformity, or maybe the fin was broken
when he was quite young and grew funny. This won't be an issue.>
Someone please help, I don't want to cause any harm to this fish!
<Please take a look here: http://www.wetwebmedia.com/FWSubWebIndex/gldfshsystems.htm
, here: http://www.wetwebmedia.com/FWSubWebIndex/gldfshdisease.htm
, here: http://www.wetwebmedia.com/FWSubWebIndex/gldfshmalnut.htm
, and here: http://www.wetwebmedia.com/FWSubWebIndex/fwset-up.htm
for some good information to help you out. Wishing you well, -Sabrina>
Goldfish Aquarium 11/5/07
Hello again! I have two 2-3 inches Ryukin goldfish, bought it yesterday they
are in a 10 gallons aquarium. Now my question is, is it okay for them to be in
there? What size of the goldfish will I put them into what size of aquarium? pls
reply soon because I am frustrated about their growing size, thanks.!
<Greetings. Minimum tank size for a full-grown Goldfish is about 30 gallons, and
you should allow at least 5-10 gallons for each additional Goldfish. Fast
swimming varieties (regular Goldfish, comets) especially need to be given space
to "stretch their fins". Ryukin goldfish don't swim so strongly, but I'd still
not keep 2 specimens in less than 35 or 40 gallons. If you do, you'll end up
having to deal with cloudy water and persistent water quality problems (which in
turn leads to Finrot, fungus, pop-eye, etc.). So there's really no point
scrimping on a couple bucks. The filter is pretty much a fixed cost, and the
price difference between a 20 gallon tank and a 40 gallon tank is pretty trivial
factored out against the 10-30 year lifespan of happy Goldfish. Please do have a
read of the MANY Goldfish articles here at WWM. Cheers, Neale>
Question about my hexagon <goldfish> tank 8/30/05
Hello,
<Hi there>
I have a 32 gal. hexagon tank with 2 fantails that are about 3 to 4 inches long.
Pity buy from Wal-mart about 3 years ago, I know, bad me. I have read that a
hexagon tank is bad to keep them in due to the restricted O2 exchange,
<Mmm, not as "good" let's say as the same gallonage/volume shaped in a more flat
fashion>
but they are in there with a bubble disc, a bubble curtain, 9 live plants, was
10 but they ate one, and an external filter with and aeration valve.
<Sounds very nice. Years back, I helped form, run an aquarium service company...
We had many Hex-tanks with fancy goldfish...>
There's no problem with the current being to strong and the water is good. They
have been in there for about 2 weeks now and seem to be doing fine, is there
anything i should be worried about either now or later on down the road with the
tank?
<Mmm, no... other than doing regular maintenance... weekly water changes with
gravel vacuuming, providing a mixture of foodstuffs for good nutrition... Bob
Fenner>
Goldfish problems - 4 fish and a shoehorn 7/10/03 -
(AKA- my goldfish has a shoeprint on its face)
Hi there
<Howdy>
I have 4 goldfish, approx. 6-7 inches in length each, living in a 10
gallon tank with an underwater filter.
<good heavens... that is overstocked!!!
Really sad to hear. The tank can barely hold one
at this size responsibly>
I have tested all my water levels (nitrate ammonia etc) and the water
quality seems to be within limits.
<ahhh... no comment>
I do not know the sex of any of my goldfish but they are all 7 years
old and were bought when they were approx. 1 inch
<interesting>
1 of my fish is bloated but is not showing symptoms of dropsy and has
now developed a mouth condition.
<water quality (bacterial count, other un-testables)
is a challenge here I'm sure>
It looks like the skin is shredding from its lips and they are
swollen. It also has what looks like a bubble of air or fluid at the tip of
1 of its fins. I would be grateful if you could advise me as to exactly what
might be wrong with it and how to treat it. Thank you Dawn
<these fish really need a larger aquarium to be
held properly if not ethically. The sickness is no surprise considering the
living conditions. Yikes... Imagine living in an elevator for 7 years with 3
people... who ate beans all day long... and sang campfire songs... off key.
Quality of life issues here have manifested into a real issue of pathology.
My advice is to remove the other 3 fishes (sell, trade or upgrade to a
larger aquarium) and treat the afflicted one in the 10 gallon tank as if it
was a QT vessel. Use a Furazolidone and
Nitrofurazone mixed drug. Best regards, Anthony>
Tank Too Small 11/-5/03
Dear Sirs or Madams:
<Hi, Pufferpunk here>
My son has a 5 gallon tank that was given
to him as a gift. Rather than continue with the grisly details, first a bit
of history:
The tank was occupied by 4 fish (I believe they are all
Orandas) but was getting very dirty very fast. I cleaned the filter
often to no avail. (speeding up the story now)
Want to a large retail pet place (maybe not a "SMART" idea?) and they told
me I needed a snail to keep tank clean. Put snail in tank and it was chased
into a corner and died (which further clogged my filter with snail guts).
Recently one Oranda has passed (due to snail guts poisoning the water?). I
have one orange, one orange and white, and one black one left. Is there an
algae-eater type fish that I can introduce that will help keep my tank clean
without conflict?
<Please no more fish in that tank! Actually a 5gal
tank isn't large enough for even 1 goldfish. The rule of thumb I go by with
goldfish is 10g/2", if small fish (<3") & 10g/1", if large fish (>3"). So
right now, you're talking about getting at least a 30g for your fish for
now. You'll need a much bigger tank in the future. Goldfish are heavy waste
producers & need a lot of space to live. The easiest way to keep goldfish
long lived (they can live 20+ years!) & healthy is to change 90% of their
water weekly. In addition to very good filtration, over & above what is
recommended for a tank it's size. You will need
to fishless cycle your new tank before adding the fish. You can do it in a
week. Read this article & all the recommended links:
http://www.tomgriffin.com/aquasource/newtanksyndrome.shtml
Goldfish can be cute, interactive, long-lived pets, if taken care of
properly.>
Any information that you can provide me is
greatly appreciated. Sincerely, Hotdaddydog1
<I hope this helps--Pufferpunk>
Angry Goldfish 10/16/03
Hello, <Hi.
Pufferpunk here>
My son recently acquired a 2.5 gallon aquarium
with a Whisper brand filter. He had 3 goldfish...a black moor, a small
fantail goldfish and a larger black, white and orange colored goldfish.
<Way too small a tank for even
one goldfish!>
All cohabitated fine with the larger fish being a little aggressive
at feeding. The black moor has since died from ich but the others
have been treated and are doing well. Suddenly however the small fantail
has chased, and nipped constantly at the larger goldfish to the point where
my son has had to use a separation screen to protect the larger one. The
small fantail now hangs by the partition following the other ones every
move. What is going on here?
<Goldfish are very messy fish, that urinate &
defecate much more than other fish. This requires a lot of water to dilute
the toxins of ammonia & nitrites caused by all this waste. For small
goldfish (<2") at least 10g/fish is necessary. Goldfish can grow quite
large & normal lifespan is 20+ years if cared for properly. larger
goldfish require housing of at least 20-30g/fish. I have found great
success in keeping goldfish healthy by changing 80-90% of their water weekly
to remove the ammonia build up in their water. You also need to clean the
gravel at the same time. There is an excellent article titled, "Are
Goldfish Really for Beginners?" in the December 2003 issue of Aquarium Fish
magazine. I highly suggest you & your son read it. You should be able to
pick it up at your local fish store. I think w/more room the aggression
problems will be solved.>
Thanks, Debbie
<Your welcome--Pufferpunk>
Small tank, big fish
Hi:
<Hello>
My Daughter just got a ten gallon tank and about a 4" Goldfish and a
Plecostomus. How many and what other types of
fish would be good for this tank.
<Oh my.... I don't think it would be a good idea
to add *any* more fish to this tank. Goldfish are very messy and produce a
lot of waste, which makes the water turn toxic, so any more than just the
one goldfish would be really hazardous. Unfortunately, that's bad news for
the goldfish, because they are schoolers and
like to have other goldfish for company. The
plecostomus, if it's just the 'generic' type, will grow to a
staggering foot and a half or more, depending upon what species it is, but
they grow slowly, so you probably don't have to worry about him just
yet. My recommendation would be to give the goldfish back to the fish
store, and instead, get some smaller, easier to maintain fish like guppies,
platies, or swordtails, and perhaps some small
bottom feeders, like Corydoras or
Kuhli loaches to add some fun to the tank. This
would probably be a lot more fun than goldfish, anyway. Here's a couple of
good articles to help you on your way:
http://www.wetwebmedia.com/FWSubWebIndex/fwtips4beginners.htm
;
http://www.wetwebmedia.com/FWSubWebIndex/fwset-up.htm . Hope all goes
well, -Sabrina.>
Thank You
Fancy Goldfish
I got my wife a 10 gallon tank for her birthday and she picked out a
fancy goldfish for it. The store clerk said the tank should be big enough,
but we have read that the tank may be too small. My wife is also worried
about the fish getting lonely. Is it better to pair them up? If so what size
tank would you recommend getting for two fancy goldfish? Thank You for your
help. Jeff
<<Dear Jeff; Yes, a ten gallon tank is too small.
Good call! Goldfish can do quite well in groups; the problem is tank size
and water quality. Keeping one goldfish in that ten gallon is a better idea
than two, but since you realize you will need to upgrade the tank
anyways....goldfish should have space to grow, so you may start with two,
but keeping one goldfish per ten gallons of water is a better idea. Fancy
goldfish can grow to the size of a decent grapefruit. One more thing, if
this is tank has been set up recently, chances
are you are cycling with this one goldfish. Take a sample of your water to
the LFS when you go back, and get your ammonia, nitrite, and nitrates
checked. If the ammonia or nitrite readings are too high, you will need to
wait a bit longer before adding the second fish. If you have nitrates, you
may add the second one. Always do small, frequent partial water changes to
control the ammonia/nitrites/nitrates. -Gwen>>
Goldfish are Not "Bowl" Fish! 4/2/4
Hi, Pufferpunk
here>
Hi, I recently bought a couple of small goldfish which I have in a
large vase, and I was wondering whether it would be safe to put in a bamboo
shoot ? Please help.
<forget about the bamboo, you have much bigger
problems. Goldfish are not "bowl" fish! A
vase is not a proper home for ANY fish. You need at
least a 10g tank/goldfish (while small). Please
give them a proper home with a filter &
room to swim. Goldfish are heavy waste/ammonia
producers & require huge weekly water changes, but
do not completely clean the whole tank.
Read up on the care of goldfish & cycling a tank.>
Thanks
<Goldfish grow to over 12" & can live up to 20
years if cared for properly. ~PP>
Goldfish are not Bowlfish! 4/7/04
Hi.
<Hi, Pufferpunk here>
I found your site while researching about goldfish, and I have found
it really helpful, but I have a problem.
<Great, lets see if I can help.>
Let me precede this email by saying that I have never had goldfish
before, and that I got most of my information from the pet shop attendant
(which I have never done before while purchasing pets, and now I know I will
never do it again).
<Smart idea!>
I was told that it was fine to keep 3 goldfish (A black moor and 2
feeder fish) in a 2.5 gallon tank.
<Huge mistake!>
I'm a college student, and I don't have much space, but I will buy a
new, much larger tank as soon as I get home (beginning of May).
<Too late.>
I was also told that I would need to do a water change about 2 times
a month.
<Wrong again! GF require 10g/fish, up to 3" &
then 20+g/fish when bigger. GF grow to 12+" & can live over 20 years. They
are heavy waste/ammonia producers & require large tanks, heavy filtration &
huge water changes, because of this. Most long time GF keepers say that
weekly 90% water changes is not considered too aggressive. The only fish
that could possibly exist in a 2 1/2g tank would be a
Betta.>
I have had the 3 goldfish since Saturday (today is Tuesday) and
yesterday night I saw my smallest fish swimming around quickly, as if
something was wrong. After a while, however, it looked okay again, but this
morning I found it dead in the tank.
<Not surprised--sounds like ammonia poisoning.>
This has upset me very much, because I
feel I have done everything I was told, and that I have been lied to.
<Not lied to, just advice from the ignorant &
uncaring.>
My other two fish seem fine, but I'm
really worried that they too will not live long.
<You've got that right.>
I am going to do a water change today, hopefully that will help, and
as soon as I am able, I will go to the store and buy a water tester kit. Is
there anything else I can do? I'm very upset, and I want to do everything
possible to keep my fish alive.
<Like I said, no goldfish will live long in a tank
that small. I suggest returning them immediately. If you must have a fish
in there, get a Betta.>
Thank you so much for your help,
<Sure & whenever you life is settled enough for a
larger tank, then we can talk goldfish. ~PP>>
Burst bag of goldfish... and quick action saves the
day She Saved the Fish!
Hi I was looking through your website in desperation. I'll tell you
why..... I went shopping yesterday and found on the sidewalk a goldfish in a
burst plastic bag, it was gasping so I ran into the nearest shop, filled the
intact part of the bag with water and the fish started swimming :)
Went to a dollar store, got a Tupperware and took it home in that. Went to
the nearest aquarium shop and asked for help. They gave me a bag of gravel,
a 1 gallon bowl, Aqua Plus tap water conditioner, and a pH balancer and some
flake food. As he was in about 50ml of water, I put him pretty much straight
into the tank, which I now know is a bad thing to do, I think he went into
cold water shock.
Amazingly the fish survived the night, and I am now rather attached to him.
Anyway, he started hanging out near the surface a lot this afternoon, and I
figured he's not got enough oxygen, so I took out some water; the tank is
now 1/2 full. I figure I need a bigger tank right? He's about 2 inches long,
and a plain old garden variety goldfish as fast as I can tell. DO I really
need a pump, filter, etc. etc. etc.?? Please help as I have become a fish
owner not so much by choice as by commitment, and am therefore completely
clueless about what to do, but want to give this poor fish a good shot.....
Yours in desperation, Jehannine
<<Dear Jehannine, good
for you for rescuing a homeless fishie :).
You are on the right track, and yes, he probably does need a bigger bowl,
er, tank. A tank with a filter would be the best
thing, but if you cannot manage it, a bowl will suffice as long as you get
one large enough for him to have some space to grow...regular goldfish will
grow to 12 inches in length. Stunting him by keeping him in too small a bowl
will not help in the long-term. Plus, twice weekly water changes will be
necessary to keep him healthy. The smaller the bowl, the more often you need
to change the water. A ten or twenty gallon tank is best, with a filter and
some gravel for him to dig in. You will still have to do water changes, but
not quite so often. Goldfish can live a very long time, upwards of 10-20
years. You can do a search on the Net, and read up on goldfish and their
care. Here is a good place to start:
http://www.petlibrary.com/goldfish/goldfish.html Good luck and have fun
:) -Gwen>> < Welcome to
the world of aquarium fish. If you
really want to keep him happy for a long time then we have our work cut out
for us. Little goldfish bowls are basically little death traps for goldfish.
Those bowls really are only suitable for Bettas
and related fish. Your goldfish needs to have the water circulating or it
will suffocate. You need a little air pump with an
airstone to keep the water moving all the time. Unfortunately these
little pumps can be quite noisy. Your bowl could use a little undergravel
filter that fits in the bowl under the gravel. Until the bacteria bed gets
established in the gravel you will have to change the water every couple of
days to keep the ammonia levels down. Maybe after a couple of weeks you may
not have to do as many water changes. In the meantime don't overfeed and go
to the fish store or library to get a good book on goldfish and do some
homework. See if you really want to keep this guy for the long haul. If you
do then you will eventually need to buy a tank. -Chuck>
What am I doing wrong? Goldfish systems and
losses
Hello
<Hello there.>
I know that you can help me.
<I will sure try!>
I have been trying to start a freshwater tank for some time. I have
been doing everything that the pet store has advised, but I can't get my
goldfish to live longer than a week!
<Yikes... that's not good.>
I've let the water in the new tank run for at least a week before
introducing the fish,
<Try letting the tank run
longer. Set the tank up and let it run for at least two weeks. During this
time add a small amount of the flake food to the tank (with no fish in it),
the flake food will break down and feed the bacteria needed to promote a
healthy tank.>
I've treated the water with a conditioner recommended to me, and the
10 gallon tank is properly aerated.
<A 10 gallon tank is small for goldfish, you will
only be able to keep one maybe two small ones in there. They are very messy
fish. You will also need to have a filtration system on the tank not just
something to aerate the water. Small hang on back filters like "Whisper"
are very inexpensive and are needed on this tank.>
The goldfish develop white spots and
eventually their fins begin to rot. They get very weak and soon die. I've
treated for ich and fin rot, and I've brought a sick fish to the pet store
for advice. Nothing is working and I am getting very frustrated. I have
thrown out all of the rocks and plants and I would like to try again, but I
am scared of losing another fish. Please help! Tiffany
<Well Tiffany, was this tank used for anything
else in the past? Perhaps it was exposed to chemicals or something, even
cleaning solvents can remain in a tank that will kill fish. You can always
tear down the tank and rinse it out with very hot water and start
fresh. Set up the tank, gravel and decor inside it. Fill with water, and
turn the filters on. Let it run for two weeks at least, during this time
place in a few flakes. Maybe once every three days. Break them up to fine
powder, this increases the surface area and they break down faster. I
suggest you also invest in test kits for Ammonia, Nitrites, and
Nitrates. Test your water and when these are at zero parts per million then
it will be safe to put in goldfish. There are many good books on the topic
of starting a freshwater tank. I suggest your going to your local library
and getting some out. Also look over the articles and forum on
WetWebMedia.com, there you are sure to find some great info. Best
of luck to you and your future fish family! -Magnus>
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