How does artificial light affect the growth of fish? To clarify this mechanism, it is important to mention the common endocrine mechanism in fish. The environmental factors such as temperature, rainfall, photoperiod, water current stimulate the hypothalamus of fish to
Culture of Mud Crab, Scylla serrata
Introduction: The feasibility of culturing crabs has received attention in some countries because of high market demand and decreasing availability. In the year 2007-2008, 439 tons of crabs and eel of 4.88 crore taka were exported from Bangladesh (FRSS, 2009).