Family: |
Akysidae (Stream catfishes), subfamily: Akysinae |
Max. size: |
2.35 cm SL (male/unsexed) |
Environment: |
benthopelagic; freshwater; pH range: 6.8; depth range 0 - 2 m |
Distribution: |
Asia: Indonesia. Presently known only from the type locality in the Batang Hari drainage in central Sumatra (Ref. 80541). |
Diagnosis: |
Dorsal spines (total): 1; Dorsal soft rays (total): 5; Anal spines: 3; Anal soft rays: 7; Vertebrae: 33. Akysis fontaneus is distinguished from congeners by a combination of the following characters: weakly emarginate caudal fin, convex dorsal surface of neurocranium making predorsal profile appear steeply sloping, presence of 4 large serrations on posterior edge of pectoral spine that are more than half width of spine, predorsal length 34.5% SL, pectoral-fin length 21.7% SL (not reaching pelvic-fin origin), length of adipose-fin base 18.7% SL and interorbital distance 42.3% HL (Ref. 80541). |
Biology: |
|
IUCN Red List Status: |
Data deficient (DD); Date assessed: 22 October 2018 Ref. (130435)
|
Threat to humans: |
harmless |
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