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Mackerel tuna

Order Perciformes
Family Scombridae

Marine fish with regularly ossified skeleton. Elongated and fusiform body; no fatty eyelid; jaw teeth slender, conical; top of tongue with 2 cartilaginous crests; 2 dorsal fins barely separated; front of 1st dorsal is high; 9 dorsal finlets and 7 anal finlets; bone between base of pelvics short, forked; two small keels separated by one large one on tail base; corselet of large, thickened scales on front body, body scaleless behind corselet. Colour: Blue above, silvery below; a cluster of black spots on belly above pelvic fin; 12 oblique dark lines on upper back behind corselet. It measures up to 1 m and weighs up to 14 kg.

FAO code
Euthynnus affinis
Blue fish
FAO Fishing Areas
  • Area 47: the Southeastern part of the Atlantic Ocean
  • Area 51: the Western part of the Indian Ocean
  • Area 57: the Eastern part of the Indian Ocean
  • Area 61: the Northwestern part of the Pacific Ocean
  • Area 71: the Western Central part of the Pacific Ocean
  • Area 77: the Eastern Central part of the Pacific Ocean
  • Area 81: the Southwestern part of the Pacific Ocean
Fishing seasons
mar apr may jun jul aug sep oct nov
International denominations
Germany Pazifische Thonine
France Thonine orientale
Italy Tonnetto orientale
Portugal Merma oriental
United Kingdom Mackerel tuna
Japan Suma
Fishing areas
Fishing arts

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