title: [A new loach, Oreonectes luochengensis sp. nov. (Cypriniformes: Balitoridae) from Guangxi, China].
abstract: A cave-dwelling loach, Oreonectes luochengensis sp. nov. has been described based on collections from a cave in Tianhe town, Luocheng, Guangxi, China in September 2008. It can be distinguished from all known Oreonectes species by the following combination of characters: dorsal-fin rays 3, 7; anal-fin rays 2, 5; pectoral-fin rays 1, 11-12; pelvic-fin rays 1, 7 and 14-16 branched caudal-fin rays; head compressed; eyes present; surface of lower lip covered with shallow longitudinal groove; dorsal-fin origin posterior to vertical line of pelvic-fin origin; caudal peduncle without caudal-adipose keels; edge of caudal fin truncation; tiny scales present under skin; no cephalic lateral-line system; body pink in living status, without pigments in adult, after fixed in formalin, body yellowish, non-transparent, no markings on body side.
authors.affiliation: School of Chemistry and Life Sciences, Guangxi Teachers Education University, Nanning, China.
authors.forename: Jian
authors.initials: J
authors.lastname: Yang
authors.forename: Tie-Jun
authors.initials: TJ
authors.lastname: Wu
authors.forename: Ri-Feng
authors.initials: RF
authors.lastname: Wei
authors.forename: Jun-Xing
authors.initials: JX
authors.lastname: Yang
mesh_terms: D000818:Animals; D002681:China; D003531:Cypriniformes / Q000033:anatomy & histology* / Q000145:classification*; D005260:Female; D008297:Male