Dedicated Vessel Research Program Records 1972-1980 1976-1980

United States. National Marine Fisheries Service

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Dedicated Vessel Research Program

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Historical Note: San Diego, a geographical hot-spot for tuna fishing, was known as the Tuna Capital of the World from the early 1930s to the late 1970s. Since tuna often associate with porpoise in their native habitats, fisherman typically set nets around visible herds of porpoise to catch tuna. This type of fishing for tuna is known as purse seining, or "net fishing", and has led to the killing of many porpoises. Purse seines, first used in ...

United States Tuna Foundation.

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United States. Marine Mammal Commission

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