Other names: Northern bluefin tuna , Giant bluefin tuna, Tunny
The Atlantic bluefin tuna, Thunnus thynnus, is a large, migratory fish found in the Atlantic Ocean and Mediterranean Sea. It is renowned for its impressive size, speed, and strength, making it a prized catch for both commercial and sport fishing. This species is highly valued in sushi and sashimi markets.
Other names
Northern bluefin tuna , Giant bluefin tuna, Tunny
Length
~200" (max 396)
Weight
~225" (max 680)
Water
Salt
Water Temp
10-22° F
Depth
500-1000 ft
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Atlantic bluefin tuna inhabit pelagic, oceanic zones but often migrate to coastal areas
They prefer warm, temperate waters and are found at various depths
This species forms large schools, sometimes mixing with other tuna species
Their diet includes small fish, squid, and crustaceans, feeding primarily on schools of prey
Spawning occurs in warm waters, with peak periods in spring and summer
Females release millions of eggs, which hatch into larvae within days
Juveniles grow rapidly in the first few years, living in surface waters
Adults exhibit homing behavior, returning to specific spawning grounds annually