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Gastromyzon venustus Tan & Sulaiman, 2006 |
| Family: | Gastromyzontidae (Hillstream loaches) | |||
| Max. size: | 4.94 cm SL (male/unsexed) | |||
| Environment: | demersal; freshwater | |||
| Distribution: | Asia: known only from Sungai Belalong, Temburong River basin in Brunei Darussalam. | |||
| Diagnosis: | Dorsal soft rays (total): 8-8; Anal soft rays: 5-5; Vertebrae: 27-29. Distinguished from its congeners in possessing the following unique combination of characters: body plain brown, head dorsum plain brown; dorsal, caudal and anal fins red in life; absence of secondary rostrum; absence of postoral pouch; gill slit angular, subopercular groove present and continuous with pectoral-fin origin; snout broadly round when viewed dorsally; presence of sublacrymal groove; absence of scales on abdomen; 58-63 scales in lateral line; pelvic fin just reaching level of anal fin origin, adpressed dorsal fin not overlapping level of anal fin origin (Ref. 56228). | |||
| Biology: | ||||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 11 January 2019 Ref. (130435) | |||
| Threat to humans: | harmless | |||