Help Id this little critter

[A Young Reefer]

I have this in my sump looks like some sort of snail ? I would like to know what others think better be safe than sorry.

 

[homer1475]

Stomatella snail. Great part of your CUC.

Could be a limpet too. either way they are great parts of your CUC.

 

[MaxTremors]

Looks like a limpet to me. As mentioned, beneficial member of the CuC.

 

[Isopod80]

+1 keyhole limpet.