Triplophysa

publication ID	https://doi.org/ 10.11646/zootaxa.3905.3.7
publication LSID	lsid:zoobank.org:pub:47F7A700-B92C-44BE-99CC-AA1DB98ED4C7
DOI	https://doi.org/10.5281/zenodo.5691539
persistent identifier	https://treatment.plazi.org/id/03ED162E-FFEB-FF87-4DBB-0DD8FA3DB585
treatment provided by	Plazi
scientific name	Triplophysa
status

Key to the species of Triplophysa View in CoL View at ENA in the Hexi inner drainages

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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