Small, round (oyster shaped) maybe an inch across. Can't get a picture it just looks like part of the rock its been there so long. Opens about 1/8 inch and all I see is white. I thought I was seeing things when I saw it open and close yesterday. Any ideas? I have small green tunicates and it doesn't look anything like them. Definitely hard shelled.
Another strange filter feeder
- Thread starter karenj
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