ID help on somebody new in the tank

[KPreston]

Finished doing a small water change today and taking a look on the rocks afterwords I found this little guy pictured below. Any guess on what it is? Looks kind of like a snail but a weird semi-transparent shell. Any help would be awesome.

 

[kschweer]

Looks like a stomatella snail. No need To worry they're harmless.

 

[armyguy]

Tunicates maybe

 

[TheEngineer]

Looks like a stomatella to me too.

 

[KPreston]

Thanks everybody, looks like that's it. Glad to know he's a good guy!