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Characiformes (Characins) >
Anostomidae (Headstanders) > Leporininae
Etymology: australis: Name 'australis' from the Latin word meaning 'of the south', in reference to the type locality of the species.
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 : 27.3 cm SL mâle / non sexé; (Ref. 138395)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 9 - 10; Rayons mous anaux: 8; Vertèbres: 36. This species is distinguished from its congeners by the following set of characters: 12 scale rows around the caudal peduncle; presence of a subterminal mouth; three midlateral blotches; presence of a diffuse midlateral blotches; thinner lips and a larger size, with the largest specimen analyzed measuring 315.9 mm SL; mouth cleft longitudinally aligned with the ventral margin of second infraorbital bone; and three diffuse midlateral blotches, extending through 4-5 scales horizontally and 2-3 scale rows vertically (Ref. 138395).
Body shape (shape guide): elongated; Cross section: oval.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Ito, I.S.B., L. Souza-Shibatta, O.T. Oyakawa, J.C. Garavello, H.A. Britski and J.L.O. Birindelli, 2025. Systematic assessment of the Hypomasticus steindachneri (Characiformes: Anostomidae) species complex, with the description of a new species. Neotrop. Ichthyol. 23(3):e250003. (Ref. 138395)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00891 (0.00378 - 0.02101), b=3.07 (2.89 - 3.25), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
2.3 ±0.1 se; based on size and trophs of closest relatives |
Résilience (Réf. 120179) |
Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.). |
Vulnérabilité de la pêche (Ref. 59153) |
Moderate vulnerability (39 of 100). 🛈 |