Poaching of aquatic biological resources is one the most common environmental crimes, causing direct and indirect harm to entire amount fish stocks. It necessary have a clear understanding composition quality poacher’s catches in order properly manage This paper examines poaching lower reaches Irtysh River, based on data forensic ichthyologic examinations over past 9 years. The study showed tha...

In the present research, we examined Ichthyofaunal diversity, habitat preferences, and environmental variables in Chittar River tributaries Tamilnadu, India. The species composition is comprised of 14 representing 4 orders, 6 families, 12 genera. Cyprinids were most abundant group assemblage fishes, which was approximately 61.5%-83.33%. According to Shannon-diversity index fish populations stud...

Due to the increasing resistance of aquaculture pathogens antibiotics, search for new approaches control infectious diseases is particular importance. A promising approach development probiotic preparations based on antagonist bacteria. The paper studied antagonistic activity Bacillus strains that are developing probiotics fish. were isolated from bottom sediments Don River in area Donskoy Fish...

Specimens of two endemic cyprinids, Squalius laietanus (Catalan chub) and Barbus meridionalis (Mediterranean barbel), were sampled from a reference site in small stream the Ripoll River (NW Mediterranean) outside their reproductive season. Biomarkers involved xenobiotic-mediated responses individually contrasted fish both species 17 perfluoroalkyl substances (PFASs) analysed muscle to reveal bi...