What in the snailigans?

[Blackice615]

What is this? I didn't purposely introduce it to my DT. Moves like a snail but hard to identify. Currently have 20 nass. Snails, astreas, and turbo snails

 

[Mike N]

Looks like a limpet

 

[Flippers4pups]

Looks like a limpet.

 

[Blackice615]

Thanks, will do some research

 

[Blackice615]

That was quick by the way!