the experiment was conducted to determine the effects of different photoperiods and darkness on the growth and survival of juvenile catla catla in the laboratory for 90 days. fishes were divided into four aquaria (10 fish per aquarium), and subjected to different photoperiod regimes of 8 hours light: 16 hours dark (8l:16d), 16 hours light: 8 hours dark (16l:8d), continuous light (24l:0d) and co...

The two vital respiratory parameters namely Oxygen consumption of the whole fish and Opercular activity in Indian Major Carp was investigated during thermal-stress Thermal-adaptation. major carp Catla catla subjected to Slow temperature change from 22 ⁰c 32⁰c (heat-adaptation) (cold -adaptation) at rate 1⁰c ̷ 60 hours showed a gradual stepping-up oxygen opercular heat-adaptation stepping-down ca...

Each and every sector in this modern world is undergoing rapid change due to the impact of IT field. Most of the social problems are analyzed by using various statistical and computational tools. In India, Fisheries is an unorganized sector and fishermen community are socially backward due to the exploitation of the middlemen. This paper, firstly evaluates the trends in the variation of price o...