Biologi Reproduksi Ikan Alu-Alu (Sphyraena Spp.) Dari Perairan Sibolga Sumate…

Abstract Sphyraena spp is a type of seawater fish that commonly inhabit the waters of Sibolga, North Sumatra. A study aims to understand the reproductive biology of Sphyraena Spp has been conducted. The fish was sampled 3 times, once/month, from May-July 2022. Parameters measured were sexual characteristics, sex ratio, gonad maturity level, gonad somatic index (GSI), fecundity and egg diameter.…