Tingkah Laku Ikan Selais (Ompok Hypophthalmus) Yang Diberi Perlakuan Fotoperiode

Fish behavior is affected by environmental condition, including photoperiod. To understand the effects of different photoperiod toward O. hypophthalmus behavior, a study has been conducted in Oktober 2015. The fish was reared in fiber tanks size 100cm X 50cm dan height 40cm with water circulation system. The tanks were placed under plastic tents that were completed with light bulb and timer to …