Please help ID, some sort of oyster or clam maybe?

[KFEdaddy2k]

I put in some live rock from lr.com yesterday and I've been enjoying the treasure hunt ever since. I moved one of my rocks this evening and this was seen next to it after the move. I'm not sure if it fell of it or what. I went to eat dinner and came back and it moved about 2 inches or so. Can someone help ID, I don't even know where to start looking this one up as I know nothing about our little shelled friends.

First pic:
http://www.ernstech.com/gallery/setup29/IMG_0400

Alternate angle:
http://www.ernstech.com/gallery/setup29/IMG_0401


So, I'm really supposed to put fish in this thing? I'm having too much fun now, why would I want to throw in a couple boring fish?

Thanks,
Kurt

 

[steve-s]

Not sure of the species but it appears to be a scallop.

Cheers
Steve

 

[KFEdaddy2k]

It moved last night and attached itself to side (under an overhang) of a rock. When the shell is open, I can see what looks like a sort-of green "meaty" part between the shells with a few little black dots (eyes?). There is also a dozen or so individual hair-like things that poke out from between the shell halves when open. The whole thing has that classic shell shape, sort of what you'd see if you has a soap dish shaped like a shell. One side is wavy, like ruffels potato chips, the other is what you see, sort of a waffle pattern with a few rocks off the bottom of the aquarium stuck to it.

Thanks for your help,
Kurt

 

[Brad]

Definitely a scallop. That also explains how it moves around. They will move around the tank until they find a home they like, then generally stay there forever.

Needs phytoplankton as it is a filter feeder. DT's in the fridge of you LFS.