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Teleostei (teleosts) > Gymnotiformes (Knifefishes) > Apteronotidae (Ghost knifefishes) > Apteronotinae
Etymology: Adontosternarchus: Greek, a = without + Greek, odous = teeth + Greek, sternon = chest + Greek, archos = anus (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; demersal; depth range 2 - 30 m (Ref. 78211). Tropical

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South America: Brazilian and Peruvian Amazon.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 21.8 cm TL male/unsexed; (Ref. 78211)

Short description Identification keys | Morphology | Morphometrics

Anal soft rays: 112 - 145. Distinguished from other species of the genus by having the following combination of characters: boldly contrasting color pattern of irregular, dark blotches on the back and sides followed by posteriorly by a long pallid area extending far onto the caudal peduncle; pectoral and anal fins translucent; anal-fin rays 112-154 with mean 133.2; vertebral count to base of last anal-fin ray 52-57 with mean 54.5; a relatively deep body, 21-33% of distance to origin of dorsal filament; body depth below origin of dorsal filament less than or equal to postorbital distance (Ref. 78211).

Reported to feed on benthic invertebrates (Ref. 78211).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Main reference Upload your references | References | Coordinator : Albert, James S. | Collaborators

Lundberg, J.G. and C. Cox Fernandes, 2007. A new species of South American ghost knifefish (Apteronotidae: Adontosternarchus) from the Amazon basin. Proc. Acad. Nat. Sci. Phila. 156 (1):27-37. (Ref. 78211)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 15 July 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00355 (0.00145 - 0.00871), b=3.06 (2.85 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.3 ±0.3 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low vulnerability (12 of 100).

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