FB-54545 http://www.fishbase.org/summary/SpeciesSummary.php?id=54545 Animalia Chordata Teleostei Characiformes Spintherobolidae Spintherobolus Spintherobolus ankoseion Weitzman & Malabarba, 1999 1999-11-29 2001-08-31 Soares-Porto, L.M., S.J. Walsh, L.G. Nico and J.M. Netto0 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) Ferraris, C.J. Jr.0 Auchenipteridae (Driftwood catfishes). p. 470-482. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 37098) Anonymous0 Fish collection database of the National Museum of Natural History (Smithsonian Institution). Smithsonian Institution-Division of Fishes. (Ref. 38732) FB-GeneralDescr-54555 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 1999-12-01 00:00:00 2021-09-23 00:00:00 Biology http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=54555 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Distribution 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. 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) FB-DiagnosticDescr-54555 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 1999-12-01 00:00:00 1999-01-12 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=54555 http://rs.tdwg.org/ontology/voc/SPMInfoItems#TrophicStrategy 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). 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) FB-Morphology-54555 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 1999-12-01 00:00:00 1999-01-12 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=54555 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Size Dorsal spines (total): 0; Dorsal soft rays (total): 6; Analsoft rays: 7 - 8; Vertebrae: 31 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) FB-Distribution-54555 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 1999-12-01 00:00:00 2025-11-05 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=54555 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Threats South America: Asisa River basin in Orinoco drainage and Negro River basin. Ferraris, C.J. Jr. 2003 Auchenipteridae (Driftwood catfishes). p. 470-482. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 37098) FB-Size-54555 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 1999-12-01 00:00:00 2021-09-23 00:00:00 Max. size http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=54555 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Habitat 2.2 cm SL (male/unsexed; (Ref. 37098)) Ferraris, C.J. Jr. 2003 Auchenipteridae (Driftwood catfishes). p. 470-482. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 37098) FB-Threats-2 http://purl.org/dc/dcmitype/Text text/html Belen Acosta 1990-10-18 00:00:00 2024-03-07 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=2 http://rs.tdwg.org/ontology/voc/SPMInfoItems#DiagnosticDescription Least Concern (LC) , IUCN Grouper and Wrasse Specialist Group IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006. FB-Habitat-54555 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 1999-12-01 00:00:00 2021-09-23 00:00:00 Environment http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=54555 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Morphology pelagic; freshwater; pH range: 4.0 - 5.0