2. This is a common freshwater ornamental fish, which is relatively small in size and likes to eat all kinds of snails. It is a good helper to kill snails in haystacks.

3. It should be noted that if fish are mixed, the density should be controlled. If there are too many fish, it may bite the fins of other fish.

4. Usually frozen blood worms, earthworms and shellfish are the main ones, and you can't feed too much at a time.