Rainbow sharks have a mixed diet. They can eat small fish and shrimp, as well as moss, algae, and artificial feed. The moss, bait and algae in the tank can be eaten, but it still prefers live food, so you can feed more red nematodes and the like.

Rainbow sharks are adaptable, easy to raise, like neutral water, and not strict with water quality requirements , the water temperature can grow well at 20 ℃, but the character is fierce and aggressive, often fighting among the same species and sometimes swallowing other species of small fish, it is best not to mix with too small fish. They do not choose food, prefer to eat animal bait.