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bigeye tuna
Bigeye tuna, ''Thunnus obesus'', is an important food fish and prized recreational game fish. It is a true tuna of the genus Thunnus, belonging to the wider mackerel family Scombridae.
In Hawaiian, it is one of two species known as ahi; the other is yellowfin tuna.〔()〕
Bigeye tuna are found in the open waters of all tropical and temperate oceans, but not the Mediterranean Sea.
==Description==
Bigeye tuna can grow up to in length. Maximum weight of individuals probably exceeds , with the all-tackle angling record standing at . They are large, deep-bodied, streamlined fish with large heads and eyes. The pectoral fins are very long, reaching back beyond the start of the second dorsal fin in juveniles and the space between the first and second dorsal fin in adults. They have 13 or 14 dorsal spines.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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