Hitchhiker ID please

[kbrumund]

The bright green clam like thing, not the bristle worm.

It was on the live rock from Reefquarium.
Been in there for a few weeks. It moves around by itself.

Size is approximately 1 cm long.

http://www.brumund.ca/Aquapod/hitchhiker.jpg

Thanks!
...karl

[MAthU]

do you mean the yellow sponge?

[Patwa]

it moves??

it looks like a bivalve.....maybe a clam.....but if it moves then it might be a scallop

HTH

Zach.

[MAthU]

now that i look closer, it doesnt look like a sponge..
i agree with patwa

[hermitcrab]

It does look like a scallop in that pic.