Aspek Biologi Reproduksi Ikan Betok (Anabas Testudineus Bloch) Di Danau Lubuk…

Anabas testudineus is type of fish commonly inhabit the Lubuk Siam Lake in Riau. However, information on reproductive biology of the fish is rare. To understand the biologycal aspects of this fish, a study was conducted. The fish was sampled once at two weeks for a month period, from July to August 2019. Parameters measured were sex ratio, gonad maturity level, Gonad Somatic Index (GSI), fecund…