Fishes play an important role in the balance of life on which we depend. Fish are essential to life in the world oceans. They are the predators or prey of virtually every creature that swims with them or flies above the sea. Fishery is an entity engaged in raising or harvesting fish which is determined by some authority to be a fishery. Open Access Fisheries Environmental Journals explain the method in new advancements of fisheries science and fishery engineering