Northern Atlantic bluefin tuna (Thunnus thynnus)
The largest of the tuna species that can reach three meters in length, although the common size ranges 80–200 cm. The Atlantic bluefin tuna occurs in subtropical and temperate waters and has a wide geographical distribution from the North Pacific Ocean to the North Atlantic Ocean (including the Mediterranean). This species schools by size and sometimes can be seen together with albacore, yellowfin, bigeye, skipjack, etc.
See also Temperate tuna species.