The article concerns morphometric and biological characteristics of endemic fish Shirvan roach (Rutilus
atropatenus) in Azerbaijan. Materials for studies were collected in 2008-2013 yy. in swampy reservoirs located in
Gabala region (Nic and Chuxur Qabala villages). The results of the study were compared with the results of the
studies conducted by A.N.Derjavin and Yu.A.AbdurrÃ?â?°Ã?â?¢hmanov.