Family: |
Apteronotidae (Ghost knifefishes), subfamily: Apteronotinae |
Max. size: |
60 cm TL (male/unsexed) |
Environment: |
benthopelagic; freshwater |
Distribution: |
South America: Brazil, Amazon Basin, Rio Tocantins (upper and lower portions of that river system). |
Diagnosis: |
This species is distinguished from its congeners by the following set of characters: a short gape that terminates posteriorly at, or slightly short of, the vertical through the anterior nares; no scales along the mid-dorsal region of the body as far posteriorly as the origin of the electroreceptive filament; anal-fin rays 200-217 (Ref. 84053). |
Biology: |
Inhabits clear water system with the bottom formed by small stones and rocks. Feeds on insects and other aquatic invertebrates (Ref. 84053). |
IUCN Red List Status: |
Near Threatened (NT); Date assessed: 18 May 2022 (B1b(iii)) Ref. (130435)
|
Threat to humans: |
harmless |
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