Google vermetid, they are a sessile inverts that "fishes" for its food by putting out lines and reeling them in when they grab something. Harmless, but can be annoying.
I agree, it could be a vermetid snail. They can be annoying, and their 'web' will annoy most corals. I nearly lost a hammer until I found the snail and killed it.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.