Gastromyzon venustus Tan & Sulaiman, 2006
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Family:  Gastromyzontidae (Hillstream loaches)
Max. size:  4.94 cm SL (male/unsexed)
Environment:  demersal
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).
IUCN Red List Status: Least Concern (LC); Date assessed: 11 January 2019 Ref. (123251)
Threat to humans:  harmless
Country info:   

Entered by: Torres, Armi G. - 27.02.06
Modified by: Bailly, Nicolas - 14.08.19

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 Not for publication.

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