TUNA belongs to the family Scombridae (as does MACKEREL) and is found throughout the world's oceans. The tuna that occurs in the largest numbers off the BC coast, albacore tuna (Thunnus alalunga), is found offshore erratically during the summer and appears to be part of a single population, known as north Pacific albacore, that migrates seasonally throughout the temperate North Pacific. The albacore resembles the mackerel, though it is much larger and has long, sabre-like pectoral fins and...

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