A brief review of Triplophysa (Cypriniformes: Balitoridae) species from the Tarim Basin in Xinjiang, China, with description of a new species

Recent fieldwork allows a revision of the loaches of the genus Triplophysa inhabiting the Tarim Basin in Xinjiang, China. Eleven species were previously recorded. T. stewarti is a new record. Triplophysa papilloso-labiatus should be regarded as a valid species name. Triplophysa laterimaculata sp. n. was collected from the Kezile River, a tributary of the Tarim River, Kashigar City, Xinjiang on August 22, 2004. The new species can be distinguished from its congeners by the following combination of the characters: body compressed posteriorly; origin of dorsal fin closer to caudal base than to snout tip; pelvic fin insertion below 2 nd– 3 rd branched dorsal rays, fins extending beyond anus or nearly reaching anal fin origin; caudal fin slightly emarginate; body scaleless; lateral line complete; lips thick with strong furrows and papillae remarkable at mouth angle; anterior margin of lower lip covering anterior margin of lower jaw; intestine with 2 coils; free posterior portion of air bladder nearly equal to eye diameter, connecting to anterior encapsulated portion with long tube.

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