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Siluriformes (Catfishes) >
Loricariidae (Armored catfishes) > Hypostominae
Etymology: Pseudancistrus: Greek, pseudes = false + Greek, agkistron = hook (Ref. 45335); yekuana: Named for Ye-kuana, the indigenous peoples inhabiting the upper Rio Ventuari and other areas of southern Venezuela and northern Brazil.
Eponymy: The Ye-kuana are an indigenous people inhabiting the upper Río Ventauri and other areas of southern Venezuela and northern Brazil, whose ‘generous cooperation’ made the authors’ research possible. [...] (Ref. 128868), visit book page.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce démersal. Tropical
South America: Rio Ventuari immediately above Salto Tencua in Venezuela.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 4.3 cm SL mâle / non sexé; (Ref. 58451)
Facultative air-breathing in the genus (Ref. 126274); Inhabits torrential sheet flow over bedrock in main river channel (Ref. 58451).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Lujan, N.K., J.W. Armbruster and M.H. Sabaj, 2007. Two new species of Pseudancistrus from southern Venezuela (Siluriformes: Loricariidae). Ichthyol. Explor. Freshwat. 18(2):163-174. (Ref. 58451)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: pêcheries vivrières
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01549 (0.00729 - 0.03291), b=2.96 (2.79 - 3.13), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
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Vulnérabilité de la pêche (Ref. 59153) |
Low vulnerability (12 of 100). 🛈 |