Explanation:

Major Fishing Grounds of the World

• North-West Pacific Region stretches from the Bering Sea to East China Sea and the world's largest as well as greatest fishing ground. It extends southward from the outer Aleutian Islands in the north to the central pacific, north of the Philippine Islands. The region has greatest asset is its fish in which Salmon, king crab, herring, halibut, Alaskan Pollock and cod are famous catches. Japan is at the top in commercial fishing of this region, followed by China, North and South Korea, and Russia
• North East Atlantic and adjacent region of the Arctic stretching from Iceland to Mediterranean shores that covered some of the European countries like Norway, Denmark, Spain, Iceland and the United Kingdom. It is the World’s best fish-exporting region.
• North West Atlantic Region covers the Grand Bank and the Georges Bank area of the northwest Atlantic.This region is blessed with the convergence of the Gulf Stream and the Labrador Current that enhance the fishing productivity.  The Cod, Halibut, tuna, squid, flounder, redfish, and salmon; herring and mackerel are famous fishes caught here.
• North East Pacific stretches from Alaska to California along the western shores of North America forms the fourth largest fishing area of the world. Salmon, tuna, halibut and sardines are found on the surface of this region.This region is famous for the world's best cod fishing ground along with herring and haddock.
• South East Pacific stretches from Pacific Coast of South America that includes Panama to Cape Horn.The northward flowing Peru Current provides an ideal environment for the anchovy culture because it is associated with a coastal upwelling of nutrient rich colder water laden with plankton on which the anchovy feeds.
• West Central Pacific stretches from the Philippines and Southern Indonesia to the Australian coast. Redfish, bass, mullet, mackerel, oyster, crabs and tuna are famous fishes found in this region. These regions have been subjected to differential level of fisheries development