The fishery of bony fishes has an economic important in southern part of Caspian Sea ,but there are few reports about the pathogens of them in this area .Eustrongylides excisus , a parasite (Nematoda: Dioctophymidae) can damage the muscles of bony fishes . So, consumers avoid to buy the infected fish. Hence , the parasite can cause economic loss.In order to determine the occurance and intensity...

To assess the environmental quality in the Lake Van, Chalcalburnus tarichi, the only vertebrate and an endemic carp species of this lake basin, samples were collected from the lake, and their livers were examined histologically for this purpose. Histological alterations were recorded and evaluated semi-quantitatively based on the liver lesion categories and their severities. According to the re...

صخلملا A total of 48 fresh water fishes, belonging to four species of the family Cyprinidae (Capoeta trutta, Chalcalburnus mossulensis, Cyprinion macrostomum and Leuciscus lepidus) were collected from Darbandikhan lake, southwest Sulaimaniya city, Kurdistan region, in the north of Iraq, from March to the end of July 2008. The inspection of gills revealed the infection of these fishes with four ...

alburnus chalcoides , caspian shemaya, is found in the river systems of the aral, black and caspian sea basins and is an economically valuable cyprinid from the southern caspian sea. this species has been reported as near threatened species in this basin due to damming, over and illegal fishing, destruction of its spawning grounds and water pollution. the caspian shemaya is an important species...

the aim of this study was to provide necessary information on the age, growth and sex ratio of one of commercially important cyprinid species, alburnus chalcoides in the southern caspian sea (north iran) from 2010 through 2011. 53 specimens of both sexes (males and females) were collected monthly. the samples were transported tothe laboratory for further biological measurements and otolith extr...