| Family: |
Apteronotidae (Ghost knifefishes), subfamily: Apteronotinae |
| Max. size: |
32.1 cm TL (male/unsexed) |
| Environment: |
benthopelagic; freshwater |
| Distribution: |
South America: Upper rio Paraná basin in Brazil. |
| Diagnosis: |
Anal soft rays: 162-220. Distinguished from other congeners by the following combination of characters: dorsal snout profile pointed; snout length 46.4 - 63.7 % of head length; oculo-nasal distance 39.2-72.1 % of postocular distance; lateral ethmoid with both dorsal and ventral extremities expanded, strongly oblique in orientation; mouth rictus surpassing vertical through anterior eye margin,
including its skin folds, in all ages; dorsal head profile nearly horizontal from a vertical through anus to posterior extremity of occipital bone; absence of mid-dorsal white or clear stripe on head and body anteriorly; chin brown; upper lip clear to a vertical through anterior nostril; transversal unpigmented bar or bars posteriorly on the body absent; flanks brown, darker
dorsally and pectoral fin hyaline, with chromatophores over rays (Ref. 88927). |
| Biology: |
Length type refers to length to the end of anal fin, LEA (Ref. 88927). |
| IUCN Red List Status: |
Data deficient (DD); Date assessed: 07 November 2018 Ref. (130435)
|
| Threat to humans: |
harmless |
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