Do they breed fast?Looks like malaysian trumpet snails. They're safe to keep in your tank, I love mine.
If you over feed then your tank will be full of them very very soon. But if you don't you'll easily control their numbers. But yes they do breed fast.Do they breed fast?
I mean over feed the fish.I don't feed mine. They eat algae and leftover food and I have always been able to control their numbers.