Fishery resources refer to the sum of economic animals and plants such as fish, crustaceans, shellfish, algae and marine mammals with development and utilization value in natural waters. The natural source and foundation of fishery production. Also known as aquatic resources. According to the water area, there are two categories: inland water fishery resources and marine fishery resources. Among them, fish resources are dominant, about 20 thousand species, and the estimated catch is 0.7 ~1.1.500 million tons. The reserves of marine fishery resources (excluding Antarctic krill) are estimated to be1~ 2 billion tons.