A new cave-dwelling loach, Triplophysa xichouensis sp. nov. (Teleostei Nemacheilidae) from Yunnan, China.
J Fish Biol
; 90(3): 834-846, 2017 Mar.
Article
en En
| MEDLINE
| ID: mdl-28155227
ABSTRACT
A new cave-dwelling loach of the genus Triplophysa, T. xichouensis, is described from an outlet of a subterranean river in Xisa Town, Xichou County, Yunnan Province, China. It can be distinguished from its congeners by the following characters dorsal-fin rays iii, 8; anal-fin rays ii, 6; pectoral-fin rays i, 9 or 10; pelvic-fin rays i, 5 or 6; branched caudal-fin rays 16(8+8); eyes highly degenerated to a very tiny black dot; dorsal-fin origin closer to snout tip than to caudal-fin base and anterior to vertical line of pelvic-fin origin; pectoral fin length about two-thirds the distance between pectoral-fin origin to pelvic-fin origin; caudal peduncle slender, its length about three times its depth; caudal fin emarginate; body smooth and scaleless; lateral line complete and straight; anterior chamber of air bladder wrapped in dumbbell-shaped bony capsule and the posterior one well developed, long, oval; intestine short, bending in zigzag shape behind stomach. A key for the cave-dwelling species of Triplophysa is provided. urnlsidzoobank.orgpub9162FFB1-7911-47C3-AE50-6A00E9590327.
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Texto completo:
1
Banco de datos:
MEDLINE
Asunto principal:
Cipriniformes
/
Cuevas
Límite:
Animals
País/Región como asunto:
Asia
Idioma:
En
Año:
2017
Tipo del documento:
Article