cfsindorf

A muscle I believe...

(least that's what they look like at the seafood dept!... but I am by no means an expert... just hungry now)

I guess the real question should have beeen friend or foe?

Friend, looks like a stomatella snail. My favorite critter in my clean up crew.

I vote Stomatella as well. They move super fast and are in the same family as abalones

http://www.melevsreef.com/id/stomatella.html