Scientific name: Thunnus alalunga.
It has a fusiform body, bellied in the adult, covered with small scales. The corset, which has larger scales, extends to half the length. The lateral line, slightly marked, has about 210 scales. On the sides of the caudal peduncle (very narrow) there is a robust hull between two small hulls at the base of the caudal lobes. The head and eye are large. The meats are firm and tasty. It reaches 1.30 m in length and an average weight of 7-8 kg. In the Atlantic it reaches 30 kg. In the Italian seas it is common in Sicily. Rare in the Adriatic.