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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.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce benthopélagique. Tropical
South America: Brazil.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 4.3 cm SL mâle / non sexé; (Ref. 132464)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 9; Vertèbres: 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.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: d'intérêt potentiel
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01318 (0.00554 - 0.03136), b=3.10 (2.91 - 3.29), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.2 ±0.5 se; based on size and trophs of closest relatives |
Résilience (Réf. 120179) |
Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.). |
Vulnérabilité de la pêche (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |