Home want to raise black fish, you need to prepare a fish tank, which is filled with trapped water, feed it some fish and shrimp and other bait every day, change the water once every seven days. The scientific name of this fish is snakehead, is the most widely distributed in the same family of fish, but also the largest production of fish, the temperament is more fierce, belongs to the carnivorous fish, usually living in the bottom of the water, like to lurk in the place of more water plants, has a high economic value.