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Characiformes (Characins) >
Anostomidae (Headstanders)
Etymology: Megaleporinus: Name from Greek 'mega' meaning large or largest, plus Leporinus, the genus which most species (now in this genus) were previously assigned; refrring to the large size of most congeners.
Eponymy: Dr Johannes Theodor Reinhardt (1816–1882) was a Danish zoologist who was Director of the National Natural History Museum, Copenhagen. [...] (Ref. 128868), visit book page.
More on author: Lütken.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce benthopélagique. Tropical
South America: São Francisco River basin, Brazil.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 28.5 cm SL mâle / non sexé; (Ref. 130067); poids max. publié: 450.00 g (Ref. 130067)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Teeth slightly notched, 3/3; 1--11 predorsal scales; 14 peduncular scales.
Body shape (shape guide): elongated.
Distinct pairs breed on densely grown weedy places (Ref. 205).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Distinct pairs breed on densely grown weedy places (Ref. 205).
Ramirez, J.L., J.L.O. Birindelli and P.M. Galetti Jr., 2017. A new genus of Anostomidae (Ostariophysi: Characiformes): Diversity, phylogeny and biogeography based on cytogenetic, molecular and morphological data. Molecular Phylogenetics and Evolution, 107: 308-323. (Ref. 113781)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00659 - 0.01911), b=3.05 (2.90 - 3.20), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 2.6 ±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): Low vulnerability (25 of 100).
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