Tropical Fish Keeping - Aquarium fish care and resources

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-   -   possible sponge in tank? (http://www.tropicalfishkeeping.com/beginner-saltwater-aquariums/possible-sponge-tank-23826/)

jeff20578 05-10-2009 02:23 PM

possible sponge in tank?
 
What I have is a white cotton looking "thing" growing in a few spots in my tank. THe best way for me to discribe it is, it is about 1/2" -3/4" in length - the bottom part that is attached to the rock is the fattest part and it goes into a point. At the top of the point is a hand that possibly grabs food that floats past it. Could'nt find a picture online to post.

If you know what this possibly is, should i leave it or try to remove them?

thanks

onefish2fish 05-10-2009 09:37 PM

if its what your describing, i cant think of the name but these things "fish" for food.

is it like a little string that catches food? they are harmless unless close to corals which they will sting.


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