Tiny UFO? (Hitchhiker ID)

[Jamie9]

Anyone know what this little guy is? About a half inch diameter. I thought it was part of a rock as it hadn’t moved in the month since I put the live rock in…then today it started moving around and nibbling on some sponge

A limpet of some kind?

 

[Crabs McJones]

Looks like a limpet

 

[baldyreef]

Anyone know what this little guy is? About a half inch diameter. I thought it was part of a rock as it hadn’t moved in the month since I put the live rock in…then today it started moving around and nibbling on some sponge

A limpet of some kind?

Definitely a little limpet

 

[Jamie9]

Thanks, free CUC!