Morphologic, molecular and bio-ecologic investigation on Alburnoides fasciatus (Nordmann, 1840) from Iyidere Stream

This study was conducted on Alburnoides fasciatus living in the İyidere Stream between June 2013 and May 2014 that was constructed as a monthly collected to determine the morphological genetic and biological properties. The population of Alburnoides from Iyidere Stream was morphologically and genetically compared with its Coruh population and recognized two popolations belonging to Alburnoides fasciatus. Also it was morphologically compared with the species living nearby basin, Alburnoides eichwaldii (Kura and Aras River), Alburnoides tzanevi (Rivers in Trakya) and Alburnoides manyasensis (Koca River). During this survey 397 fish species were catched. The total length of females between 5.2-12.5 cm, while 4.6-11.2 cm in males. General intense length 8.7-10.1 cm in females and 8-10 cm in males. Females and males was determined up to 6 years. Possitive allometrie growth was determined for both sexes (P<0.01). Growth was determined according to 4 different growth models and VGBF and Exponential models was mathematical suitable models for females, for males it was Gompertz model. Fecundity of 23 individuals which ovarium development in the stage of 4th was calculated. Fecundity varied between 1146 and 7074. Reproduction period was determined between September and December. 2 and 5 times reproduction was occured during the reproduction period. Size %50 sexual maturity length was determined as 75.3 for females and 81.9 for males.