The white betta fish is a artificially cultivated variety of the paradise fish, also known as the white rabbit fish. The white rabbit fish is an albino mutant variety of the paradise fish. It belongs to the genus Betta in the family Osphronemidae. Its body length is generally between 6 and 10 centimeters.
The paradise fish gets its name due to the combative nature among its male individuals. Its body shape is oval, laterally flattened, and with a broadly arched abdomen. The body color of male individuals is usually more vivid than that of females. The caudal fin can be forked or round. They prefer shallow water areas with dense vegetation and slow water flow. They are omnivorous fish, mainly feeding on cladocerans, copepods, zooplankton, aquatic insects and their larvae, etc.
The paradise fish is mainly distributed in Southeast Asia, including countries such as Vietnam, Myanmar, China, North Korea, South Korea, and Japan. They are favored by ornamental fish enthusiasts because of their gorgeous body colors and the unique habit of blowing bubbles to build nests. In addition, the paradise fish also has great significance in controlling the number of mosquitoes and optimizing the ecological environment.