The black-backed butterflyfish mainly eat algae, corals, etc. when living in the sea. In captivity, invertebrate bait can be fed, but it is best to feed nutrient-rich shrimp and bait with coloring function to maintain its bright color.

Adult black-backed butterflyfish raised in aquariums There are often cases of refusal to eat. If there is a refusal to eat, it is necessary to analyze the reasons and prescribe the right medicine, so that the black-backed butterflyfish can start eating.