Blue triangle fish is a kind of carnivorous fish. Its main food is turtles and worms. When feeding, you can also choose fish and insects, water earthworms, fiber worms, mealworms, small live fish, red worms, and pellets. food such as fodder. The amount of bait for blue triangle fish should be determined according to the size and quantity of the fish. Family feeding generally only needs to feed 1-2 times a day, and the feeding amount should be eaten within 5-10 minutes.

When the blue triangle fish replaces new bait, the feeding amount should be gradually reduced increase. For the blue triangle fish with a body length of 3-12 cm, the bait is mainly tortoises, supplemented by water earthworms, red worms, and Tenebrio molitor. For blue triangle fish with a body length of more than 12 cm, the tortoise worm is small and has poor palatability. The bait with a slightly larger body should be selected, mainly including red worms, water earthworms, yellow mealworms, and small live fish. In principle, you should eat more and less.