1. There are many kinds of bait that can be fed to domestic loaches, including fly maggots, earthworms, bean cakes, rice bran, wheat bran, vegetable cakes, etc., and appropriately combined with a small amount of fish meal, silkworm pupae, etc.

2. When mixed with other fish, loach can also feed on the leftover feed of the fish, so they are called the "cleaners" in the fish tank.

3. Loach is an omnivorous small fish that likes to eat water fleas, earthworms and other plankton, aquatic insects, crustaceans, and sometimes algae and rotten underwater plants or mud.