Hi there! I got some hitchhiker snails in the tank and wonder if anyone can help ID them? If they are pests I need to fish them out before they grow big enough to reproduce! One is in a slightly elongated shell. Not round like my mystery snail and not cone shaped like a trumpet snail. It's in between. The other is in a quite flat shell, sort of coin shaped. Might be hard to tell when they are still very small like this! Maybe I should stick them in the Betta cube I have for emergencies until they grow some more?