Snail - Good or Bad?

[Injoynit]

Got this guy eating away on the algae of the glass, so kinda hope he's a good guy.
#reefsquad

 

[Injoynit]

Tried pic but it didn't take I guess. Here it is

 

[SUS]

Looks to be a stometella = good

 

[Crabs McJones]

Stomatella. You'll most commonly see it at night or right before lights out. Awesome part of your clean up crew!!

 

[Injoynit]

Thanks All!

 

[reef lover]

I think that one' an abalone but still a good guy!