Abstract: This study was carried out in Cigli stream between March 2007 and July 2009 on 553 Capoeta capoeta. Maximum age, fork length and total weight of samples was found as VII, 33.2 cm and 432.3 g, respectively. Length-weight relationship was calculated as W = 0.01702xL2.887. Average condition factor were calculated as 1.280±0.006 in overall samples. The male:female ratio was established as 1.296:1. It was established that males and females attained sexual maturity when they reached to 2nd age and 10 cm and 4th age and 18 cm, respectively and spawning was observed from last week of May to 2nd week of July.