Length–Weight Relationship and Sexual Maturity Stages of Bluefish: Pomatomus saltatrix (L, 1766) in Tripoli Coast, Libya

Pomatomus saltatrix (L, 1766) is an important commercial fish in several countries, and that suffer from overfishing problems. In this study, 50 individuals of P. saltatrix were conducted during the fall, (October-November, 2022), on the Tripoli coast. Their total lengths and total weights were measured. The sex of the fish was determined, and the stages of sexual maturity were identified. The results showed that their lengths ranged 23.5-35cm, total weights 139-408g. The relationship between length and weight was negatively allometric, the number of males was higher than that of females, and all stages of sexual maturity were present.