the food and feeding habit of beardless barb, cyclocheilichthys apogon (valenciennes, 1842), from family cyprinidae was investigated by stomach content analyses of 374 collected fish in two consecutive reservoirs; temengor and bersia reservoirs which are separated by temengor dam. the main aim of this study was to compare the stomach contents of c. apogon between these two reservoirs in wet and...

labeo rohita fingerlings were reared in freshwater and exposed to different concentrations of lead nitrate. after the exposure, one fish was sacrificed from each dose and the gill arches were removed. the ultrastructural changes on the gills of this cyprinid fish were investigated through scanning electron microscope (sem). lead treated gill tissues showed certain marked changes such as uplifti...

The article describes the study of Rodlet cells in gills 15 fish species Cyprinidae family, 1 from Siluridae 2 Percidae and Esocidae all caught Zhaiyk River, Republik Kazakhstan. at present stage researche are classified as nonspecific immune response fish. Besides, they can be used biomarkers to monitor state water reservoirs. Serious pathological changes surveyed were revealed by histomorphol...

The grass carp (Ctenopharyngodon idella) is a herbivorous, freshwater fish species of the family Cyprinidae, and the only species of the genus Ctenopharyngodon. Neoplasms in fishes are generally less aggressive than neoplasms in mammals and are most commonly discrete, focal and benign neoplasms. A 3-year-old grass carp with a big mass on the vertebrae was referred to the clinic. According to the...

Changes in the motivational component of rheoreaction (the ratio types) during starvation some fish species has been analyzed. The presence motivation to migrate (before starvation) is major pattern future changes resulting from starvation. All families Cyprinidae and Salmonidae studied with initially behavior as resident individuals show same type response Their preference for currentwise move...

The current status of the inland waters ichthyofauna Iran is revised and updated. A total 292 fish species belong to 3 classes, 24 orders, 36 families 106 genera inhabit Iran. Among these, 29 (9.9%) are exotic 102 (35%) endemic. Orders with largest numbers in Cypriniformes (182 species) followed by Gobiiformes (30 species), Cyprinodontiformes (15 Siluriformes (12 Clupeiformes (10 Acipenseriform...