What is this??

[Mimi54]

I took a video and it breathes and moves around my rocks.

 

[NeedMoreReef]

I can't think of name but they are cool and fun to have, no issues. the ones i have are a little darker.

 

[cloak]

Stomatella snail.

 

[Mimi54]

This is the video I took of the creature.

 

[Mimi54]

Stomatella snail.

I think you are correct after I googled it and it looks like the one I have inside the tank. Thank you so much!

 

[Mimi54]

I can't think of name but they are cool and fun to have, no issues. the ones i have are a little darker.

I think it looks cool too, although I wonder how it got there because I have not done anything new to my tank and My fish and snails have been there for over a year.