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Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Acestrorhamphinae
Etymology: Psalidodon: Greek, psalis, -idos = scissors + Greek, odous = teeth (Ref. 45335); uberaba: Named for rio Uberaba, where the species is found. A noun in apposition.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce benthopélagique. Tropical
South America: Rio Uberaba, rio Grande basin, upper rio Paraná basin in Brazil.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 7.0 cm SL mâle / non sexé; (Ref. 104709)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 9 - 10; Vertèbres: 34 - 35. Hasemania uberaba can be distinguished from congeners by the possession of the following characsters: a black, vertically-elongate humeral spot (vs. spot absent except for H. crenuchoides, H. kalunga, H. nambiquara, and H. piatan); a single ossification in the position primitively occupied by infraorbitals four and five (vs. infraorbitals four and five separate, except in H. kalunga and H. piatan); 4 inner row premaxillary teeth (vs. 5 except in H. nana, H. melanura, and H. piatan); and scales covering the anal-fin base (vs. scales absent except in H. crenuchoides, H. hanseni, H. maxillaris, H. melanura, H. nambiquara and H. nana). It differs also from H. kalunga and H. piatan by having 14-18 circumpeduncular scales (vs. 10-12); from H. hanseni, H. maxillaris, and H. nambiquara by having 10-15 branched anal-fin rays (vs. 16-19); from H. hanseni, H. melanura, and H. nana by having 6-10 scales covering the anal-fin base (vs. 2-5); and from H. maxillaris and H. nambiquara by having 7-8 branched dorsal-fin rays (vs. 9). In addition, H. uberaba can be further diagnosed from H. melanura by having maxillary teeth (vs. absent); from H. maxillaris by having, 6-7 branched pelvicfin rays (vs. 5); from H. nambiquara by lacking a broad black band in the midlateral line from the humeral region to the caudal-fin (vs. presence of such band). Most specimens of H. uberaba possess 18 principal caudal-fin rays (vs. 19 in most other species except H. piatan) (Ref. 104709).
Body shape (shape guide): fusiform / normal.
Known only from its type locality in the headwaters of the rio Uberaba. These headwaters are marshlands with abundant Cyperaceae, Poaceae and algae, crystalline water and muddy bottom. Collected together with a new genus and new species of Crenuchidae, the most abundant species (under analysis), Hyphessobrycon uaiso and Rivulus sp. Feeds on angiosperms, Chironomidae larvae (Diptera) and Trichopterans (Ref. 104909).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Serra, J.P. and F. Langeani, 2015. A new Hasemania Ellis from the upper rio Paraná basin, with the redescription of Hasemania crenuchoides Zarske & Géry (Characiformes: Characidae). Neotrop. Ichthyol. 13(3):479-486. (Ref. 104709)
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): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01349 (0.00601 - 0.03026), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 3.0 ±0.3 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).
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