the objectives of this work was to examine the toxicological effect and molecular changes caused by a heavy metal pollutant mercuric chloride (hgcl2), in fresh water snakehead channa punctatus, locally known as taki fish in bangladesh. when fishes were exposed to hgcl2, it induced death of the fishes in a concentration-dependent manner. 1 mm, the highest concentration tested in this study, was ...

Disease investigation through clinical and histopathological observation of three small indigenous fishes Channa punctatus, Puntius ticto and Nandus nandus were carried out from Shidlong Oxbow Lake and Gangni Oxbow Lake of Mymensingh area during April 2000 to January 2001. Fish sampling were monitored on monthly basis. It was observed that most of the fishes of Shidlong Oxbow Lake were more aff...

Application of synthetic pesticides is one of the methods used to increase agriculture production, animal husbandry and welfare of mankind. Due to their long-term persistence, slow degradability toxicity to other organisms and accumulation inside the fish body, synthetic pesticides adversely affect the environment. To solve this problem, studies have been carried out on the possibility of using...