Age and growth of juvenile bluefin tuna Thunnus thynnus L 1758 in the southern Italian seas Eta ed accrescimento di giovanili di tonno rosso Thunnus thynnus L 1758 nei mari meridionali dItalia
Coimbra, Joao Carlos; Pinto, Iraja Damiani; Wurdig, Norma Luiza; Do Carmo, Dermeval Aparecido
Biologia Marina Mediterranea 10(2 Part 2): 900-903
Age estimations were made on sagittae of 24 juvenile bluefin tuna (Thunnus thynnus L. 1758), captured by the Italian clupeoids purse seine fleets in the Southern Italian seas. Increment were observed in sagittae sectioned in a transverse plane, viewed and counted with light microscopy. Estimated ages ranged from 37 to 162 days of fish ranging in size from 11.2 to 49.5 cm fork length (FL).