摘要: The osteological characteristics of Cobitis linea is described and compared with the other Iranian members of the genus Cobitis. For this purpose, the specimens were cleared and stained with alizarin red S and alcian blue for osteological examination. Then, a detailed description of the skeletal structure of this species was provided. Despite numerous similarities among the compared species of the genus Cobitis, several differences were observed that can be considered as distinctive osteological features for C. linea. C. linea can be distinguished from the other Iranian Cobitis by presence of the contact between ventral part of the mesocoracoid and scapula, separated hyporals and having a welldeveloped process at the middle part of the frontal.