| Family: |
Gastromyzontidae (Hillstream loaches) |
| Max. size: |
8.49 cm SL (male/unsexed) |
| Environment: |
demersal; freshwater |
| Distribution: |
Asia: Kayan and Mahakam River basins in Kalimantan Timur, and Kapuas River basin in Kalimantan Barat, Indonesia. |
| Diagnosis: |
Dorsal soft rays (total): 8-9; Anal soft rays: 5-5; Vertebrae: 31-33. Can be distinguished from other species of the genus by possessing the following unique combination of characters: large specimens: a plain brown, grey or black body when preserved, dark brown or black in life, head dorsum plain brown; sub-adult or juveniles: black or dark brown body with up to 9 cream bars, side with complete or interrupted bars forming blotches, head dark brown with thin cream reticulate pattern; absence of secondary rostrum; absence of a post-oral pouch; absence of subopercular groove; gill slit lunate; presence of sublacrymal groove; a rounded snout when viewed dorsally; abdomen partially covered with fine scales only between the pelvic fin base; lateral line scales 59-60; pelvic fin not overlapping anal fin origin, adpressed dorsal fin not overlapping level of anal fin origin (Ref. 57871). |
| Biology: |
|
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 10 January 2019 Ref. (130435)
|
| Threat to humans: |
harmless |
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