Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Stichonodontinae
Etymology: aurora: Name 'aurora' from the Latin word meaning 'dawn or sunrise', in reference to the red, orange, and gold colors of the species. Noun in apposition.
Eponymy: Dr William J Moenkhaus (1871–1947) was an American geneticist and ichthyologist who became Professor of Physiology at Indiana University Medical School (1904–1941), where he was Eigenmann’s colleague. [...] (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 : 4.3 cm SL male/unsexed; (Ref. 132464)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 9; Vertebrae: 33. This species is distinguished from its congeners by the following set of characters: presence of reddish body color in life specimens; absence of dark pigmentation on anteriormost rays of the anal fin; number of scales between lateral line and pelvic-fin origin 4; number of unbranched anal-fin rays iii; absence of a humeral blotch; number of maxillary teeth 2-3; absence of dark pigmentation on caudal-fin lobes; number of gill rakers on the first arch 9-14+1+ 6-8; concentration of dark pigments on the anterior margin of the caudal-fin rays (Ref. 132464).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Reia, L., G.S.C. Silva, C. Oliveira and Benine R.C., 2024. New reddish species of Moenkhausia Eigenmann (Characiformes: Characidae) from the upper rio Xingu basin, Brazil. Neotrop. Ichthyol. 2024; 22(1):e230089. (Ref. 132464)
IUCN Red List Status (Ref. 130435: Version 2025-1)
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].
Trophic level (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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