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Yaoshania pachychilus (Chen, 1980) |
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photo by
CAFS |
| Family: | Gastromyzontidae (Hillstream loaches) | |||
| Max. size: | 5.8 cm SL (male/unsexed) | |||
| Environment: | demersal; freshwater | |||
| Distribution: | Asia: Meicun, Changtan and Dishui streams on Dayaoshan Mountain in Guangxi, China. | |||
| Diagnosis: | Dorsal soft rays (total): 10-10; Anal soft rays: 8-8. Can be diagnosed from other Balitorid species by a unique enlarged lip lamina at angle of mouth, connecting the upper lip and maxillary. Additional characters useful to distinguish this species, but not unique to it include the following: large gill opening, with the ventral extremity reaching lower extremity of pectoral-fin base; upper lip and rostral fold separated by a groove, rostral fold with four notches to accommodate rostral barbels; two pairs of rostral barbels and one pair of maxillary barbels; a small fleshy lobe present posterior to each maxillary barbel; pectoral fin with one simple and 17-18 branched rays; pelvic fin with one simple and 8-9 branched rays; side of body lacking vertical blotches in adult; 71-75 lateral line scales (Ref. 93072). | |||
| Biology: | ||||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 01 March 2007 Ref. (130435) | |||
| Threat to humans: | harmless | |||