Fierce predatory freshwater fishes, the species of Percocypris (Cyprinidae, Teleostei) inhabit large rivers or lakes, and have a specific distribution pattern. Only a single species or subspecies occurs in each large-scale drainage basin of the Southeastern Tibetan Plateau. In this study, the molecular phylogenetic relationships for all but one of the described subspecies/species of Percocypris...

Caudal neurosecretory system is an additional neuroendocrine system found in fishes. Great variation has been observed among different groups of fishes, so far its organization is concerned. Much work has been undertaken on the caudal neurosecretory system of elasmobranchs and teleosts. large size scattered Dahlgren cells in the posterior end of spinal cord, corresponding to last few vertebrae,...

Abstract Fish provides main source of high quality protein to more than one billion people in the world. parasites directly affect productivity fish and indirectly on human health. This research was aimed assess helminth Schizothorax plagiostomus (the snow trout) from river Panjkora, KP, Pakistan. A total 88 samples (n= 88) were collected upper, middle lower regions through cast nets, hand nets...