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Here is some additional information about Tuna fishing in Florida.
Little Tunny Tuna, Blackfin Tuna, Yellowfin Tuna

Tuna Fishing Information


source Wikipedia

Tuna, sometimes called tunafish, are several species of ocean-dwelling fish in the family Scombridae, mostly in the genus Thunnus.

Tuna are fast swimmers (they have been clocked at 77 km/h (48 mph)) and include several species that are warm-blooded. Unlike most fish species, which have white flesh, the flesh of tuna is pink to dark red. This is because tuna muscle tissue contains greater quantities of myoglobin, an oxygen-binding molecule, than the muscle tissue of most other fish species. Some of the larger tuna species such as the bluefin tuna can raise their blood temperature above the water temperature with muscular activity. This enables them to live in cooler waters and survive a wider range of circumstances.

Tuna is an important commercial fish. Some varieties of tuna, such as the bluefin and bigeye tuna, Thunnus obesus are threatened by overfishing, dramatically affecting tuna populations in the Atlantic and northwestern Pacific Oceans. Other populations seem to support fairly healthy fisheries (for example, the central and western Pacific skipjack tuna, Allothunnus fallai), but there is mounting evidence that overcapitalization threatens tuna fisheries world-wide.

Increasing quantities of high-grade tuna are entering the market from operations that rear tuna in net pens and feed them on a variety of bait fish. In Australia the southern bluefin tuna, Thunnus maccoyii, is one of two species of bluefin tunas that are kept in tuna farms by former fishermen. Its close relative, the northern bluefin tuna, Thunnus thynnus, is being used to develop tuna farming industries in the Mediterranean, North America and Japan.


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