Gastromyzon viriosus Tan, 2006
Gastromyzon viriosus
photo by JJPhoto

 Family:  Balitoridae (River loaches)
 Max. size:  5.37 cm SL (male/unsexed)
 Environment:  demersal
 Distribution:  Asia: Tatau River basin in Sarawak, Malaysia.
 Diagnosis:  Dorsal soft rays (total): 9-9; Anal soft rays: 6-6; Vertebrae: 30-32. Can be distinguished from its congeners by possessing the following unique combination of characters: body dark brown with 8-10 cream bars, side with bars complete; head dorsum dark brown with thin cream reticulate pattern; absence of secondary rostrum; absence of a postoral pouch; gill slit angular, subopercular groove present and continuous to pectoral fin origin; a rounded snout when viewed dorsally; presence of sublacrymal groove; abdomen without scales; lateral line with 63-67 scales; pelvic fin not overlapping anal fin origin, adpressed dorsal fin not overlapping level of anal fin origin (Ref. 57871).
 Biology:  Inhabits fast flowing rocky streams (Ref. 84801).
 IUCN Red List Status: Not Evaluated  (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Torres, Armi G. - 07.02.07
 Modified by: Bailly, Nicolas - 31.10.12

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