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Importance of Global Fisheries

Importance of Global Fisheries

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Importance of Global Fisheries

Importance of Global Fisheries

 Marine sources provide about 20% of the animal protein eaten by humans.
 Another 5% is provided indirectly via livestock fed with fish.
 60% of fish consumption is by the developing world.
 In Asia, about 1 billion people rely on fish as their primary source of protein.

Economically important marine organisms

 Demersal fish.

These are bottom-living fish (cod, flatfish, pollock)

 Pelagic fish

Inhabit the water column (herring, mackerel, anchovy, and tuna. Demersal fishes and Pelagic fishes combined make up the majority of the fish catch–72 million tons per year.

 Crustaceans.

Both bottom-dwelling species (crabs and lobsters) and swimming invertebrates (krill, shrimp). 4 million tons harvested each year.

 Molluscs and Cephalopods.

Squid, cuttlefish, and octopus. More cephalopod stocks are harvested by the Japanese than by any other nation. 2.5 million tons harvested each year.

 Marine mammals.

Heavily exploited for oil and meat, make a relatively small portion of the global catch.

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