Schistura paraxena Endruweit, 2017

Family:  Nemacheilidae (Brook loaches)
Max. size:  7.03 cm SL (male/unsexed)
Environment:  demersal; freshwater
Distribution:  Asia: West River, Pearl River drainage in Guangxi, China.
Diagnosis:  Dorsal soft rays (total): 12-12; Anal soft rays: 8-8; Vertebrae: 37-39. Schistura paraxena differs from all species of Schistura by having conspicuous peduncular crests along its dorsal and ventral extremities and a plain beige body coloration consisting of crests brownish gray and a pale spot medially at caudal-fin base. It can be further distinguished by having the following characters: dorsal fin with 8½ branched rays; pectoral fin with 11-12 rays; pelvic fin with 9 rays; 37-38 vertebrae; predorsal length 50-52% SL; caudal-peduncle length 17-18% SL (88-92% HL; 5.6-5.8 times SL); lateral line complete; breast naked; predorsal area scaled; and upper lip not notched (Ref. 115556).
Biology:  Feeds on nymphs of the stonefly family Perlidae (Ref. 115556).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless

Source and more info: For personal, classroom, and other internal use only. Not for publication.