Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Gymnotiformes (Knifefishes) > Apteronotidae (Ghost knifefishes)
Etymology: Adontosternarchus: Greek, a = without + Greek, odous = teeth + Greek, sternon = chest + Greek, archos = anus (Ref. 45335).

Environment / Climate / Range Ecology

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

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

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 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 Maturity | Reproduction | Spawning | Eggs | Fecundity | 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. 115185)

Not Evaluated

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Human uses

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Internet sources

Adontosternarchus nebulosus Lundberg & Cox Fernandes, 2007