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FAQs on Marine Algae Identification 16
Related Articles: Avoiding Algae
Problems in Marine System,
Algae Control,
Marine Maintenance, Nutrient
Control and Export, Marine Scavengers,
Snails,
Hermit Crabs,
Mithrax/Emerald Green Crabs, Sea Urchins,
Blennies, Algae Filters,
Ctenochaetus/Bristle Mouth Tangs,
Zebrasoma/Sailfin Tangs, Skimmers,
Skimmer Selection, Marine Algae,
Coralline Algae, Green Algae,
Brown Algae, Blue-Green
"Algae"/(Cyanobacteria), Diatoms,
Brown Algae, Related FAQs:
Marine Algae ID 1, Marine Algae ID 2,
Marine Algae ID 3,
Marine Algae ID 4, Marine
Algae ID 5,
Marine Algae ID 6, Marine
Algae ID 7, Marine Algae ID 8,
Marine Algae ID 9, Marine Algae ID
10, Marine Algae ID 11,
Marine Algae ID 12, Marine Algae ID
13, Marine Algae ID 14,
Marine Algae ID 15, Marine Algae ID 17,
Marine Algae ID 18, Marine Algae ID 19,
Marine Algae ID 20, Marine Algae ID 21,
Marine Algae ID 22, Marine Algae ID 23,
Marine Algae ID 24, Marine Algae ID,
25, & Marine Algae Control FAQs 2,
Marine Algaecide Use, Nutrient
Limitation, Marine Algae Eaters,
Culturing Macro-Algae;
Controlling: BGA/Cyano,
Red/Encrusting Algae, Green Algae,
Brown/Diatom Algae, | 
What was that old Paul McCartney Arabic song about the rain refrain?
"Valonia, Valonia, Valonia, oh oh..." |
Algae ID...Can Only Guess – 05/29/07
Dear Crew,
<<Hello
Carmine>>
I have some bright pink and green algae growing in my
tank. I've never seen this kind before... It's kind of pretty. Is it
bad or should I ignore it? Sorry for the crappy picture.
http://img513.imageshack.us/my.php?image=sexaliciousiq5.jpg
Your
pal,
Carmine
<<Well Carmine it’s impossible to say from the
picture, but unless this is Cyanobacteria I don’t think you need be
concerned. Do have a read here and among the links in blue:
http://www.wetwebmedia.com/bluegralgae.htm Regards, EricR>> | 
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Good or nuisance algae on rock 5/20/07
Howdy crew!
<Lynn>
I am curing some pieces of live rock that I found washed ashore while in
Florida (liked the encrusting coralline algae). After scrubbing clean a
couple species of green algae and one red have started growing. Not
certain of the species, one looks a bit like Batophora (first pict/red
arrow), though close-up images are hard to come-by on the web (and
didn't see anything in the WWM archives). The second shows the
filamentous green algae (red arrow) and a red one (blue arrow).
What
are they, and what might each do if it got into my main tank?
Thanks in advance.
-Lynn
<Can't tell definitively from the
images provided... but what is a "weed", but a life form the perspective
at hand has re utility, nuisance potential... I would not panic here...
These too shall likely pass (be consumed, cycled/outcompeted...
succession). Bob Fenner> |  
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Algae ID 5/13/07
Hi Bob,
<Jon>
No one ever got around
to responding to me regarding this nuisance algae problem I am having.
<Yes... am glad I saved your graphics>
I have reattached the photos,
hopefully they are a better size. I am trying to figure out what exactly
this algae is and how I can rid of it because it is taking over most of
my substrate.
<Appears to be a "Blue Green", BGA otherwise known as>
Also, a lot of my coralline is fading on the rocks
<Likely either
the BGA or whatever conditions are favoring/allowing the BGA is at play
here>
and I am getting a lot of white on the rock which look similar
to calcium or something of the sort. Am not sure how this all went
haywire, the tank has been good for a year now and all of my water
chemistry shows fine.
<Mmm, a bunch to say/state re the general
changes, trends in aging systems here... In a nutshell, it's easy for
systems to become "unbalanced" mostly in terms of alkalinity and
alkaline earth/biomineral ratios with time... A simple solution is often
changing out, adding a bit 20-25% of hard substrates (rock, sand...) and
a one-time massive water change, gravel-vacuuming (50%)... Please read
here:
http://www.wetwebmedia.com/substrepl.htm and the files linked above
re>
Thanks for your insight
Jonathan
<And for the algae:
http://www.wetwebmedia.com/bluegralgae.htm
and as much of the
linked files above as you can stomach, till you're aware of your
choices... Bob Fenner> |  
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Purple Yuk: A Most Accurate Description for Cyanobacteria / Blue Green
Algae / BGA – 05/08/07
<Hi Tina, Mich here.>
HELP!!!
<Will try!>
I have a 55 gal marine tank. It has been set up and
running for almost a year. About 3 weeks ago I started to see a bit of
purple colored substance in the sand, it has since spread throughout the
tank and is absolutely awful.
<Yep, been there, done that and
would wholeheartedly agree!>
I do not know what it is but it is
spreading like wildfire. It seems to have air bubbles underneath the
growth. It is slimy and
almost seems to have hair growing from
it. Any ideas or suggestions?
<Yep, is Cyanobacteria, a blue
green algae (BGA). Much more here and the many related links in blue on
ways to deal with this bad boy!
http://www.wetwebmedia.com/bluegralgae.htm >
I have attached a
picture to give a better idea of what I am dealing with.
<Oh,
trust me, I know.>
Thanks in advance for your input.
<You are
very welcome! Mich>
Tina | 
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Re: What type of algae 4/24/07
Dear Wet Web,
Can
a new tank that has cycled go through a stage where you are getting
Cyanobacteria but not an overwhelming amount. Because if this not the
reason for it.
<?>
Also am I doing the right thing by putting
more flow into the aquarium with powerheads and checking the Alkalinity
to make sure it is not to
<too>
low. I have no nitrates or
phosphates.
<None? Unusual>
Please let me know what you think.
I have it under control and also it seem to be going away very slowly
after I started doing 2 water changes a week instead of one. Jeff
<Much more to know, consider... You have read the articles, FAQs files
on WWM re algae control? BobF>
Little pics, I.D. and Valonia 4/18/07
How's it going?
<It goes well, thank you.>
I have attached five pictures of some
different things in my aquarium that I would like to have some more
information on what exactly they are and if they are good signs or
not? I have circled the questionable areas in the first four
pictures. The first picture I circled some type of algae or fungus
that is spreading in other areas in the tank. Also circled is some
type of red algae.
<I see the pics, but they are very small
and hard to resolve. The circled areas don't look any different than
the surrounding areas to me. I would venture to say you may have
some form of sponge started, but can't see what I'm talking about.>
The second and third pictures are just some other areas where I
wanted to know what it was.
<Can't tell what I'm looking at,
sorry.>
The fourth picture is some algae that looks like hair.
What is this and is it good?
<Can't see the hair, but I do see
some "bubble algae" there. Not exactly good, nor are they as
troublesome as some other undesirables.>
In the fifth picture
there is some bubble algae, this is the rock bubbles started out and
I have noticed some single bubbles in other areas. How can I get rid
of it if it gets out of trouble?
<They will probably not
over-run the system, but you will be best served in removing them by
using a siphon. This method will keep the spore translocation to a
minimum when the bubbles burst. Their are also creatures that will
eat this, and competing forms of algae and life that will control
this and most other forms of deleterious algaes.>
Thanks for
all your help,
Jared
<You're welcome. Try to make some JPG
files, as they compress easily and can be larger with more detail.
-GrahamT> |   | |
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