Is this good or bad?

[MrsBugmaster]

Got a new coral today and several of these are on the plug it came on. What are they and are they good or bad?

 

[Crabs McJones]

Stomatella, definite keeper! Unless you don't want them, then send them to me

 

[stanleo]

Stomatella snails. Good guys

 

[Alvaro_Spain]

Stomatella are one of the best cleaners.

 

[Wolf89]

Very good guys

 

[MrsBugmaster]

Thanks guys! That is what I thought they were but wasn't sure.