Pola Lingkaran Pertumbuhan Pada Otolith Ikan Alu-Alu (Sphyraena Spp.) Di Pera…

Abstract Sphyraena spp. or known as alu-alu fish is a type of pelagic fish that inhabits the Sibolga waters. This type of fish characterized by its long body and a long upper jaw. The purpose of this study was to find out the growth pattern of the fish as reflected in the growth ring patterns in the otolith of those fishes. The fish was sampled in the Sibolga waters, once/ month, May to July 2…