Triplophysa

Li, Wen-Jing, Chen, Xiao-Cheng & Hu, Yan-Ping, 2015, A new species of the genus Triplophysa (Nemacheilinae), Triplophysa qilianensis sp. nov, from Qinghai, China, Zootaxa 3905 (3), pp. 418-424: 423

publication ID

http://dx.doi.org/10.11646/zootaxa.3905.3.7

publication LSID

lsid:zoobank.org:pub:47F7A700-B92C-44BE-99CC-AA1DB98ED4C7

persistent identifier

http://treatment.plazi.org/id/03ED162E-FFEB-FF87-4DBB-0DD8FA3DB585

treatment provided by

Plazi

scientific name

Triplophysa
status

 

Key to the species of Triplophysa  in the Hexi inner drainages

1 a. Caudal fin forked or deeply emarginated................................................................... 2

1 b. Caudal fin slightly emarginated.......................................................................... 5

2 a. Head convex from the position of posterior nostrils.......................................... T. qilianensis  sp. nov.

2 b. Head moderately compressed............................................................................ 3

3 a. No shaped blotches in front of and behind dorsal fin...................................... T. yarkandensis Day 1877 

3 b. 4–6 dark brown blotches in front of and behind dorsal fin..................................................... · 4

4 a. Width of posterior blotches wider than intervals between blotches...................... T. hsutschouensis Rendahl 1933 

4 b. Width of posterior blotches equal to or less than intervals between blotches...................... T. robusta Kessler 1876 

5 a. Intestine long, greater than stand length.................................................................... 6

5 b. Intestine short, about half of stand length................................................................... 7

6 a. Posterior chamber of air bladder degenerated........................................ T. stoliczkae Steindachner 1866 

6 b. Posterior chamber of air bladder oval, connected bony capsule of air bladder with tubule.... T. wuweiensis Li & Chang 1974 

7 a. Posterior chamber of air bladder degenerated............................................................... · 8

7 b. Posterior chamber of air bladder well developed............................................................. 9

8 a. Tip of pelvic fin not extending beyond anus....................................... · T. brevicauda Herzenstein 1888 

8 b. Tip of pelvic fin extending beyond anus or reaching origin of anal fin.................... T. leptosome Herzenstein 1888 

9 a. Posterior chamber of air bladder oblong, connected directly to bony capsule of air bladder.... T. orientalis Herzenstein 1888 

9 b. Posterior chamber of air bladder oval, connected to bony capsule of air bladder with long tubule........ T. tenuis Day 1877