Classificazione / Nomi
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Siluriformes (Catfishes) >
Auchenipteridae (Driftwood catfishes) > Centromochlinae
Etymology: Gelanoglanis: Greek, gelanes, -es, -es = happy, smiling + Greek, glanis = a fish that can eat the bait without touching the hook; a cat fish (Ref. 45335).
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
; acqua dolce pelagico; pH range: 4.0 - 5.0. Tropical
South America: Asisa River basin in Orinoco drainage and Negro River basin.
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 2.2 cm SL maschio/sesso non determinato; (Ref. 37098)
Spine dorsali (totale) : 0; Raggi dorsali molli (totale) : 6; Raggi anali molli: 7 - 8; Vertebre: 31. First lepidotrichia of rayed dorsal and pectoral fins present as flexible, unbranched fin rays lacking serrations; structure of adult-male anal fin (seven proximal radials present, two posterior-most smaller than anterior ones); adipose fin absent or, if present, a long, low fin fold; and putative smaller maximum adult body size (1.5-2.2 cm SL).
Nocturnally active, inhabiting open waters of black-water streams and rivers. Taken near the surface in or near the main channels of rivers with moderate flow. The stomach contents of one specimen taken from the Rio Asisa include adult dipterans, including one whole individual of Sciaridae and large wing fragment of a Ceratopogonidae. Matures at 1.5-2.2 cm SL.
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Soares-Porto, L.M., S.J. Walsh, L.G. Nico and J.M. Netto, 1999. A new species of Gelanoglanis from the Orinoco and Amazon river basins, with comments on miniaturization within the genus (Siluriformes: Auchenipteridae: Centromochlinae). Ichthyol. Explor. Freshwat. 10(1):63-72. (Ref. 32901)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio. 82804) |
PD50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00490 (0.00196 - 0.01224), b=3.11 (2.90 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Livello trofico (Fonte Biblio. 69278) |
3.1 ±0.4 se; based on size and trophs of closest relatives |
Vulnerabilità della pesca (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |