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nanoob
11-22-2012, 02:50 AM
Can anyone tell me what this is? They are kind of fuzzy and if I touch them they kind of shrink up or become less fuzzy. Should I be worried as they are getting bigger!

http://img266.imageshack.us/img266/1124/dsc00576ej.jpg

Zoaelite
11-22-2012, 02:56 AM
Its a species of sponge, harmless filter feeder.

nanoob
11-22-2012, 04:28 AM
OK thanks I will leave them be.