Quote:
Originally Posted by JoeT
I was scraping my coralline and a piece of rock chipped off. I found this underneath. Can anyone identify it for me? It's in the middle of the pic. It's soft and squishy
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It's a sponge... If you can get a real close look at it you should see little tiny holes, because it is a filter feeder they attach there-selfs in places where they get the best chance at free floating bits of food. They are not light dependent so thats way you mostly find them on the under side of rocks or growing between rocks or in your case between the rock and coralline. And I've seen them in some pretty cool colors white, tan, blue, purple and yellow.