what is this. it moves around.

[harleymike]

Looks like a clam thing

 

[harleymike]

Looks like a clam thing

 

[Duke]

it is a clam thingy, i have a few in my tank, they are filter feeders and harmless

 

[Duke]

it is a clam thingy, i have a few in my tank, they are filter feeders and harmless

 

[harleymike]

I thaough it might be a clam thingy. Thanks

 

[harleymike]

I thaough it might be a clam thingy. Thanks

 

[harleymike]

I thaough it might be a clam thingy. Thanks