Black with white

[MNFish]

Any idea?

 

[vetteguy53081]

Looks like a bivalve but not positive

 

[MNFish]

Looks like a bivalve but not positive

That was kind of what I was thinking, I have been fighting the urge to grab it to get a better look but my general rule is to leave stuff alone unless it is bad. If I do move it I will post a better picture.
Thank you!

 

[CanuckReefer]

That was kind of what I was thinking, I have been fighting the urge to grab it to get a better look but my general rule is to leave stuff alone unless it is bad. If I do move it I will post a better picture.
Thank you!

Have one awfully similar, seen for last 9 months or so.... Harmless so far... Agree with Vette..