Tropical Fish Keeping - Aquarium fish care and resources

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FishFan 05-25-2008 09:37 PM

ID This...
Hey gang, I have a FOWLR 55 Gallon tank and noticed apprx. 3 mos. ago some pale yellow "finger like" growths hanging down from a live rock ledge. They look like sometype of algae growth (seaweed type). It has managed to spread to a little bit larger than a fifty cent piece. I can't tell that any of the fish are eating it, but it doesn't seem to bother anything.

Here's a pic:


Age of Aquariums 05-25-2008 11:44 PM

I believe that is algae. I had a problem with it covering the sand and I would have to vacuum it daily. Now that I have an algae attack pack, it's gone, so I assume that's what it is.

ziggy222 06-02-2008 10:59 AM

it looks like one of three things.i have halimeda plants growing in my tank and the roots look like that but i don't see the plants on your rock so its either a sea squirt colony,most likely,there are hundreds of types,or its a type of sponge.

FishFan 06-02-2008 03:01 PM

Sea Squirt? Algae? Well, whatever it is, it doesn't appear to be doing any harm and the fish and inverts just ignore it. I'll just keep an eye on it, otherwise I'll leave it alone.

Thanks for the help.

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