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Tuna and mackerels


The Scombridae family of tuna and mackerel are fast-swimming, wide-ranging pelagic fishes. They have a number of special adaptations for this lifestyle, including a streamlined body form and recessible dorsal and anal fins. Some species are partly endothermic, maintaining a higher body temperature in the swimming muscles. Scombrids often swim in schools and prey on other fishes. Many species are very important as sport fishes and in commercial harvest.

Albacore (Thunnus alalunga) can be distinguished from other tunas by a long pectoral (breast) fin that may reach to a point beyond the anal fin. Albacore are devoid of any stripes or spots on lower flanks and belly...

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