Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Gymnotiformes
(Knifefishes) > Apteronotidae
Etymology: Adontosternarchus: Greek, a = without + Greek, odous = teeth + Greek, sternon = chest + Greek, archos = anus (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal; depth range 2 - 30 m (Ref. 78211). Tropical
South America: Brazilian and Peruvian Amazon.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 21.8 cm TL male/unsexed; (Ref. 78211)
Morphology | Morphometrics
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
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)
CITES (Ref. 115941)
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00347 (0.00138 - 0.00871), b=3.09 (2.87 - 3.31), 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
Resilience (Ref. 69278
Vulnerability (Ref. 59153
): Low vulnerability (11 of 100) .