Classification / Names
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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..
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce pélagique. Tropical
South America: upper protion of Río Orinoco.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 2.0 cm TL mâle / non sexé; (Ref. 122685)
Description synthétique
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).
Life cycle and mating behavior
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)
Menace pour l'homme
Harmless
Utilisations par l'homme
Plus d'informations
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: 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 (Ref.
69278): 3.0 ±0.2 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).