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A new species of the genus Triplophysa (Nemacheilinae), Triplophysa qilianensis sp. nov, from Qinghai, China

Author: Update time: 03-12-2015 Printer Text Size: A A A

A new nemacheilid loach species, Triplophysa qilianensis, is described from Heihe River in Haibei Tibetan Autonomous Prefecture, Qinghai, China. It can be distinguished from all other species of Triplophysa by the following combination of characters: body long and compressed; skin smooth, scaleless; head short (20.1–23.1% of stand length); head convex from the position of posterior nostrils; posterior chamber of air bladder completely degenerated; intestine short, bending in zigzag patter posterior to stomach; unbranched rays of pelvic fin ii; caudal fin forked, upper lobe and lower lobe equal in length; and pointed fin tips. A key to the known species of Triplophysa from the Heihe River is provided.

 

 

 

Figure. Triplophysa qilianensis NWIPB 201007133, holotype, 106.65 mm SL, Zhamashi Town, Heihe River, Qilian County, Haibei Tibetan Autonomous Prefecture, Qinghai Province, China. (a) lateral view; (b) mouth; (c) NWIPB 201007188, intestine; (d)NWIPB 201007188, air bladder.

 

Additional Information:

1 Author Information: WEN-JING LI, XIAO-CHENG CHEN, YAN-PING HU.
Correspondence: yphu@nwipb.cas.cn
2 Published: Zootaxa, 3905 (3): 418–424.

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