Orthrias sawadai
A. M. Prokofiev, 2007
Prokofiev, A.M. (2007) : Morphology, systematics and origin of the stone loach genus Orthrias (Teleostei: Balitoridae:Nemacheilinae). Moscow: KMK Scientific Press Ltd. 2007. 110 pp. (Russion, English summary only).Abstract
In the book the review of the stone loach genus Orthrias, widespread in the waterbodies of Europe and northern Asia is given, including the diagnosis of the genus, detailed descriptions of it's six species, two of which (O. potaninorum and O. sawadai) are discribed as new; the key of species is given. The Near East species formerly referred to this genus are allocated in the separate genus Oxynoemacheilus which is not having close relationships Orthrias. The poorly known species O. merga from the East Ciscaucasia probably also belong to Oxynoemacheilus. The Higj Asian genera Triplophysa and Hedinichthys are considered as most closely related for Orthrias s. str. The origin and history of the genus Orthrias is discussed. For zoologists, ichthyologist, workers in fish facilities, zoogeographists and specialists of nature protector.