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Genus Thunnus
Longfinned albacore - It is found in the open waters of all tropical and temperate oceans, and the Mediterranean Sea.
Allison's tuna - The yellowfin tuna is often marketed as ahi tuna, from its Hawaiian name ʻahi although the name ʻahi in Hawaiian also refers to the closely related bigeye tuna.
Albacore - These tuna do not consume as much fish in their diet as other tunas, and will eat the tiny larvae of stomatopods , true shrimp, and crabs, as well as small fish.
Bluefin - The southern bluefin tuna is a large, streamlined, fast swimming fish with a long, slender caudal peduncle and relatively short dorsal, pectoral and anal fins.
Big eye tunny - In Hawaiian, it is one of two species known as ‘ahi; the other is yellowfin tuna.
Pacific bluefin tuna - Most fish are cold-blooded .
Atlantic bluefin tuna - Atlantic bluefin tuna are capable of reaching well over a thousand pounds in weight, and rival the black marlin and blue marlin as some the largest known bony fish.
