porcelain crab. They're safish, and I've never had any problems with mine. They'll filter small things out of the water to eat, and snag other foods.
( actually they're not a crab at all, if I remember right)
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.