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Gastromyzon cornusaccus Tan, 2006 |
| Family: | Gastromyzontidae (Hillstream loaches) | |||
| Max. size: | 4.9 cm SL (male/unsexed) | |||
| Environment: | demersal; freshwater | |||
| Distribution: | Asia: Sungari Kinarom in Sabah, Malaysia. | |||
| Diagnosis: | Dorsal soft rays (total): 8-8; Anal soft rays: 4-4; Vertebrae: 29-31. Can be distinguished from other species of the genus by possessing the following unique combination of characters: distinct secondary rostrum present; incomplete post-oral pouch present; pockets posterior to mouth corners; sublacrymal groove visible from side; body with plain uniform pattern when adult, with thick cream bars and blotches when juvenile, head dorsum plain; subopercular groove absent; gill slit vertical; sublacrymal groove present; a truncate snout when viewed dorsally; abdomen without scales; 55-61 scales on lateral line; 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: 30 December 2018 (B1ab(i,ii,iii)+2ab(i,ii,iii)) Ref. (130435) | |||
| Threat to humans: | harmless | |||