Longley fish and Basha fish are not a kind of fish. Longley fish, commonly known as Banyan fish, is a kind of warm offshore large-scale bottom fish, which lives in China's coastal waters all year round. Basha fish is an important freshwater aquaculture species in Southeast Asian countries and belongs to a kind of river fish. In addition, Longley fish's back is gray-blue, its abdomen is pink-white, while Basha fish's back is blue-black. There are great differences in appearance between Longli fish and Basha fish. Longli fish has a flat body, its back is gray-black and its abdomen is pink-white, while Basha fish has no scales on its surface, its back is blue-black and its abdomen is white. In addition, Basha fish is cheaper than Longli fish. In the process of raising Basha fish, a culture pond with appropriate size should be prepared at first, and feed should be provided to Basha fish twice a day. The bait can be rice bran, wheat bran and pellet feed. When Basha fish grows and matures, it is necessary to increase the feeding frequency, usually three times a day.