snail without a shell???

[stk731]

Found these guys cruising my tank after lights out anyone have idea what they are??

 

[GerritM]

With shell. It´s a Stomatella varia.

 

[stk731]

they have no shell

 

[Calappidae]

they have no shell

They do, I looks more like a plate on their back rather than a spiral shell but that's their shell.

 

[stk731]

Are they safe?

 

[Sugar Magnolia]

Highly beneficial and will reproduce in your tank.

 

[fishy.22]

Those are super cool hitchhikers. Keep them! And awesome pics!