Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Gymnotiformes (Knifefishes) >
Sternopygidae (Glass knifefishes) > Eigenmanninae
Etymology: Eigenmannia: From Eigenmann, 1910, researcher of faunistic studies (Ref. 45335); wazowskii: Name 'wazowskii' in reference to Mike Wazowski, a fictional character from Disney/Pixar franchise Monsters Inc, that also has a large eye.
Eponymy: Professor Dr Carl Henry Eigenmann (1863–1927) was a German-born American ichthyologist. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical
South America: Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 23.4 cm TL male/unsexed; (Ref. 138396)
Short description
Identification keys | Morphology | Morphometrics
Anal soft rays: 185 - 225. This species is distinguished from its congeners by the following set of characters: subterminal mouth; lateral-line stripe absent; 21-27 premaxillary teeth, 11-16 dentary teeth, and 4-8 endopterygoid teeth; basibranchial 1 unossified; eye diameter corresponding to 22.0-29.3% of HL; ii,14-17 pectoral-fin rays; and 185-225 anal-fin rays (Ref. 138396).
Body shape (shape guide): elongated; Cross section: compressed.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Uliam, M.I.M., H,P.A. Ribeiro and G.M. Dutra, 2025. Description of a new species of glass knifefish genus Eigenmannia (Gymnotiformes: Sternopygidae) from the rio Negro basin, Brazil. Neotrop. Ichthyol. 23(3): (Ref. 138396)
IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
Fisheries: of no interest
Tools
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00355 (0.00161 - 0.00782), b=2.97 (2.78 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (13 of 100).
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