The present study was carried out to determine population structure of Rutilus rutilus caspicus, one of the endemic species in the two region (Gorganrood and Anzali), with six microsatellite loci (Lc03، Lc04، Lid1، Cyp6، Ca1 and Ca3). sixty specimens of Rutilus rutilus caspicus were collected from Gorganrood and Bandaranzali (30 specimens for each population). according to the results, the Fst ...

Due to the un-sufficient information about susceptibility of Caspian roach (Rutilus caspicus) to environmental ammonia, in the present study mortality rate, clinical and histological signs of this fish in acute exposure situation to un-:union:ized ammonia have been studied. To this 180 fingerling with average weight of 6.5 ± 1 were divided in 18 aquaria (10 fish per aquarium) and acclimatized f...

Purpose of this study was to evaluate the biological parameters of growth and some roach (Rutilus rutilus caspicus) on the southern coast of the Caspian Sea. Therefore, 160 pieces of fish taken from two the regions and some biological characteristics such as age, sexuality and growth, given the importance and development of population and time were studied. The mean (±Standard Deviation) age, b...