| 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 |
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