Actinopteri (ray-finned fishes) > 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).
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal; pH range: 8.0 - ?; depth range 1 - 2 m (Ref. 58018), usually - m (Ref. ). Tropical; 0°C -
South America: Meta, Apure and Masparro River basins.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.6 cm SL male/unsexed; (Ref. 32901)
Inhabits whitewater streams and rivers. Found in near-shore areas with sand and gravel bottoms in moderate to fairly swift current. Matures at 2.2-3.6 cm SL.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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)
IUCN Red List Status (Ref. 124695)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.1 ±0.4 se; based on size and trophs of closest relatives
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .