Freshwater and Estuarine Fishes: General parameter to differentiate freshwater from estuarine habitat is the salinity level of water. Freshwater contains less than 0.5 ppt (Parts Per Thousand) salinity whereas estuarine water contains moderate salinity (generally 14-17 ppt). We can easily
Small Indigenous Species (SIS) of Fishes
What is SIS? According to Rahman (1989), there are 260 species of freshwater indigenous fishes in Bangladesh. Among them, which grow to a size of 25 cm or 9 inches at mature or adult stage in their life cycle are