A new species of the genus Triplophysa (Nemacheilinae), Triplophysa qilianensis sp. nov, from Qinghai, China
Li, Wen-Jing
Chen, Xiao-Cheng
Hu, Yan-Ping
Zootaxa
2015
3905
3
418
424
82D8
341122
[412,556,152,178]
Actinopterygii
Nemacheilidae
Triplophysa
Animalia
Cypriniformes
5
423
Chordata
genus
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 sp. nov. 2b. Head moderately compressed............................................................................ 3 3a. No shaped blotches in front of and behind dorsal fin...................................... T. yarkandensisDay 1877 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. hsutschouensisRendahl 1933 4b. Width of posterior blotches equal to or less than intervals between blotches...................... T. robustaKessler 1876 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. stoliczkaeSteindachner 1866 6b. Posterior chamber of air bladder oval, connected bony capsule of air bladder with tubule.... T. wuweiensisLi & Chang 1974 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. brevicaudaHerzenstein 1888 8b. Tip of pelvic fin extending beyond anus or reaching origin of anal fin.................... T. leptosomeHerzenstein 1888 9a. Posterior chamber of air bladder oblong, connected directly to bony capsule of air bladder.... T. orientalisHerzenstein 1888 9b. Posterior chamber of air bladder oval, connected to bony capsule of air bladder with long tubule........ T. tenuisDay 1877