What kind of snail is this? They were present in my 20 gallon long until I needed to treat the tank for worms with flubenzadole and all the snails died…..or so I thought. Now the little guys are coming back.
It's one of the snails with several common names - pond snails, tadpole snails, bladder snails or just 'pest' snails. I think it's a physid snail for the way it appears to curve in the photo. You can see it in real life to compare to the diagrams here
Basic Terminology for Identification Anatomy: Foot: the bottom, muscular portion of the animal used for locomotion. Siphon: a proboscis-like appendage appearing on the side of the shell in some species. Mantle: the soft tissue inside the opening of the shell. Spire: the conical part of a...