Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Gymnotiformes
(Knifefishes) > Apteronotidae
Etymology: Pariosternarchus: Name from the Greek word 'pario' for cheek, referring to the expanded ventrolateral surface of the head, and 'sternarchus', a commonly used name in apteronotid taxonomy.; amazonensis: Named for the Amazon River.
Environment / Climate / Range
Freshwater; benthopelagic. Tropical
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 15.2 cm SL male/unsexed; (Ref. 57730)
South America: Amazon River channels in Brazil and Peru.
Discharge of its electric organ is unknown. Collected from flooded beaches and deep river channels using seines and trawl nets in the Amazon River, and the mouths of some of its whitewater tributaries(Ref. 57730).
Albert, J.S. and W.G.R. Crampton, 2006. Pariosternarchus amazonensis: a new genus and species of Neotropical electric fish (Gymnotiformes: Apteronotidae) from the Amazon River. Ichthyol. Explor. Freshwat. 17(3):267-274. (Ref. 57730)
IUCN Red List Status (Ref. 90363)
CITES (Ref. 94142)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), based on all LWR estimates for this 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 (10 of 100) .