Electrophoretic Study of Atlantic Bluefin Tuna (Thunnus Thynnus) from the Eastern and Western North Atlantic Ocean
Abstract:This study was initiated to determine whether Atlantic bluefin tuna (Thunnus thynnus) from the eastern (Bay of Biscay) and western North Atlantic Ocean constitute a single breeding population or two discrete populations. Heart, liver, red muscle, and white muscle tissues from eastern and western North Atlantic bluefin tuna were electrophoretically analyzed for 23 different enzymes. Tetrazolium oxidase was the only genetically based variant enzyme found of the 23 examined. Data support the hypothesis that bluefin tuna from the eastern (Bay of Biscay) and western North Atlantic Ocean compose a single breeding population rather than two discrete populations.
Document Type: Short Communication
Publication date: July 1, 1980
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