Thunnus alalunga

It is a fish with a very strong and robust body, it is completely covered with small scales and it has large eyes. Its coloration across its body is blue, generally darker in the dorsal region.

It swims in the open seas and up to a depth of 100 m. It feeds on fish, crustaceans and squid.

Its maximum length is 127 cm, most commonly it is between 50 cm and 100 cm.

Its spawning season is from July to September. It is commonly captured with longlines.