what the heck is this


Dude Dude DUDE!!!!!!
ok so i tried taking it out but it scurried under a rock it literally looks like a snail witouth a shell

also my blue clam fell on its mantle from the rock i had it will that harm it any??
i agree but its also about half an inch and i cant get a clear pic with my camera phone

ALSO like i staed it went under a ROCK
Your clam should be fine. It may be irritated right now, so give it some time to get re-adjusted.

Snails without shells are slugs. Most slugs (nudibranchs) are bad. If it had a flat, fingernail like shell, then it's a stomatella, which is good. Hard to tell without a pic though.