SuncrestReef Posted April 17, 2019 Share Posted April 17, 2019 I have several of these small brownish growths in shaded areas of my rocks, each about 1/4" diameter. Could these be some sort of sponge, or something else? I took these photos after lights out using a flashlight and my macro lens: Quote Link to comment Share on other sites More sharing options...
SuncrestReef Posted April 17, 2019 Author Share Posted April 17, 2019 After a bit of research, I'm starting to thing these may be some form of tunicates. Quote Link to comment Share on other sites More sharing options...
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