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Tenualosa ilisha, one of the Least Concern (LC) Freshwater Fishes of Bangladesh A Least Concern (LC) species is one which has been categorized by the International Union for Conservation of Nature (IUCN) as likely lowest risk, widespread, abundant taxon and does not qualify for a more at-risk category. According to IUCN …read more
Conservation status of Freshwater Fishes of Bangladesh (According to IUCN Bangladesh (2015a, b)) List of freshwater fishes of Bangladesh including their local conservation status (IUCN 2015a and b) are given below. In the …read more The Sundarbans (beautiful forest) is the largest mangrove forest of the world and is a component of the greater Ganga-Brahmaputra estuarine system. It occupies the area between latitude 21027’30” to 22030’00” north and longitude 89002’00” to 90000’00” east (Huda and Haque 2003). The following finfish species are available in the Sundarbans (Huda and Haque 2003)- Class: CHONDRICHTHYES Order: Carcharhiniformes (Ground sharks) Family: Carcharhinidae (Requiem …read more 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 define freshwater and estuarine fish species in such ways that “fishes live in freshwater habitats are called freshwater fish and fishes live in estuarine habitat are called estuarine fishes.” But, …read more
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