Foods and feedingLike most fish, combating fish are omnivores, in the wild they’ll eat any animal or vegetable food they may be able to find. They prefer animal foods such as mosquito larvae wrigglers daphnia, etc. In an aquarium they will eat all normal forms of aquarium foods, but seem to do better on a food designed for them. As with almost any animal a variety of food is welcomed by combating fish. Do not overfeed!Aquariums and CompanionsOne fighting fish with out any other fish can be kept in a quite small tank, as long as it can be kept warm. Fighting fish are not an competitive fish and might be kept in an aquarium with other non violent fish of an identical size or smaller.