Gastromyzon spectabilis Tan, 2006

Family:  Gastromyzontidae (Hillstream loaches)
Max. size:  5.93 cm SL (male/unsexed)
Environment:  demersal; freshwater
Distribution:  Asia: Segama River basin in Sabah, Malaysia.
Diagnosis:  Dorsal soft rays (total): 7-9; Anal soft rays: 4-5; Vertebrae: 30-32. Can be distinguished from its congeners by possessing the following unique combination of characters: body brown and head dorsum brown when preserved; body greenish-grey with black spots and reticulate pattern, head greenish-grey with black spots when alive; all fins greenish-grey when alive; 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 72-75 scales; pelvic fin just touching 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: Near Threatened (NT); Date assessed: 01 January 2019 (B1ab(i,ii,iii)+2ab(i,ii,iii)) Ref. (130435)
Threat to humans:  harmless


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