What eats water snails?

I have never heard of water snails eating chalk, i just go to the pet store and get some algae wafers

I think my goldfish ate my snail when it came out of it's shell

algae

fish, loaches and puffer fish

hi i`m zoya freash water snails eat a specififc type of plant called elodia this plant you can find in aquariums or local fish sellers!