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Characiformes (Characins) >
Crenuchidae (South American darters) > Characidiinae
Etymology: Odontocharacidium: Greek, odous = teeth + Greek, charax, -akos = a fish without identification, diminutive (Ref. 45335); varii: Named for Richard P. Vari; noun in genitive.
Eponymy: Dr Richard Peter Vari (1949–2016) was a curator of fish at the Smithsonian. [...] (Ref. 128868), visit book page.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce pélagique. Tropical
South America: upper protion of Río Orinoco.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 2.0 cm TL mâle / non sexé; (Ref. 122685)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 9; Rayons mous anaux: 5 - 7; Vertèbres: 32. This species is distinguished from Odontocharacidium aphanes by the following characters: presence of the antorbital (vs. absence in O. aphanes); presence of the supraorbital laterosensory canal (vs. absence); presence of postcleithrum 1 (vs. absence);
presence of conspicuous bars extending ventrally to the middle portion of the body (vs.
bars restricted to the dorsal part of the body); presence of two dark round blotches located at the tip of caudal peduncle (vs. blotches absent) (Ref. 122685).
Cross section: compressed.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Queiroz Rodrigues, E. K. de and A.L. Netto-Ferreira, 2020. A new miniature species of Odontocharacidium (Characiformes: Crenuchidae) from the Río Orinoco basin, Venezuela. Neotropical Ichthyology 18(2)1-11. (Ref. 122685)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.0 ±0.2 se; based on size and trophs of closest relatives |
Vulnérabilité de la pêche (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |