FB-58737 http://www.fishbase.org/summary/SpeciesSummary.php?id=58737 Animalia Chordata Teleostei Argentiniformes Bathylagidae Bathylagus Bathylagus andriashevi Kobyliansky, 1986 2002-02-06 2021-09-09 Campos-da-Paz, R.0 Gymnotidae (Naked-back knifefishes). p. 483-486. 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. 36692) Albert, J.S. and W.G.R. Crampton0 Five new species of <i>Gymnotus</i> (Teleostei: Gymnotiformes) from an upper Amazon floodplain, with descriptions of electric organ discharges and ecology. Ichthyol. Explor. Freshwat. 12(3):241-266. (Ref. 41292) Saks, L.0 Estonian Common Names, Rank 2. Personal communication (Ref. 116654) FB-GeneralDescr-58744 http://purl.org/dc/dcmitype/Text text/html Christine Marie V. Casal 2002-02-08 00:00:00 2013-11-15 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=58744 http://rs.tdwg.org/ontology/voc/SPMInfoItems#TrophicStrategy Juveniles commonly collected in várzea floating meadows, adults in várzea flooded forest but rarely caught in floating meadows where they are presumed to spawn. Albert, J.S. and W.G.R. Crampton 2001 Five new species of <i>Gymnotus</i> (Teleostei: Gymnotiformes) from an upper Amazon floodplain, with descriptions of electric organ discharges and ecology. Ichthyol. Explor. Freshwat. 12(3):241-266. (Ref. 41292) FB-DiagnosticDescr-58744 http://purl.org/dc/dcmitype/Text text/html Christine Marie V. Casal 2002-02-08 00:00:00 2002-02-08 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=58744 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Size Possess reverse counter shading (lighter on top) in which the dark bands are interrupted dorsally and the pale interband regions merge on the dorsum and in which the dorsum has a silver-blue sheen in life, and very large anterior nares (diameter about that of eye), associated with a large cleft in the anterolateral margin of the ethmoid region resulting in a square anterior margin of snout between the anterior nares. With deep body (body depth 11-13% TL versus 6-10): long head (head length 12.7-13.6% TL versus 8.8-12.6), and depressed head (head depth 53-57% TL versus 58-64) (Ref. 41292). Albert, J.S. and W.G.R. Crampton 2001 Five new species of <i>Gymnotus</i> (Teleostei: Gymnotiformes) from an upper Amazon floodplain, with descriptions of electric organ discharges and ecology. Ichthyol. Explor. Freshwat. 12(3):241-266. (Ref. 41292) FB-Distribution-58744 http://purl.org/dc/dcmitype/Text text/html Christine Marie V. Casal 2002-02-08 00:00:00 2024-01-11 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=58744 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Threats South America: Mamirauá lake system, Lago Tefé, and terra firme swamps near the town of Tefé in Central Amazonia. Albert, J.S. and W.G.R. Crampton 2001 Five new species of <i>Gymnotus</i> (Teleostei: Gymnotiformes) from an upper Amazon floodplain, with descriptions of electric organ discharges and ecology. Ichthyol. Explor. Freshwat. 12(3):241-266. (Ref. 41292) FB-TrophicStrategy-58744 http://purl.org/dc/dcmitype/Text text/html Christine Marie V. Casal 2002-02-08 00:00:00 2004-04-23 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public arapaima http://rs.tdwg.org/ontology/voc/SPMInfoItems#Habitat Juveniles commonly collected in várzea floating meadows, adults in várzea flooded forest but rarely caught in floating meadows where they are presumed to spawn. Albert, J.S. and W.G.R. Crampton 2001 Five new species of <i>Gymnotus</i> (Teleostei: Gymnotiformes) from an upper Amazon floodplain, with descriptions of electric organ discharges and ecology. Ichthyol. Explor. Freshwat. 12(3):241-266. (Ref. 41292) FB-Size-58744 http://purl.org/dc/dcmitype/Text text/html Christine Marie V. Casal 2002-02-08 00:00:00 2013-11-15 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=58744 http://rs.tdwg.org/ontology/voc/SPMInfoItems#DiagnosticDescription 55.0 cm TL (male/unsexed; (Ref. 41292)); max. published weight: 450 g (Ref. 41292) Albert, J.S. and W.G.R. Crampton 2001 Five new species of <i>Gymnotus</i> (Teleostei: Gymnotiformes) from an upper Amazon floodplain, with descriptions of electric organ discharges and ecology. Ichthyol. Explor. Freshwat. 12(3):241-266. (Ref. 41292) Albert, J.S. and W.G.R. Crampton 2001 Five new species of <i>Gymnotus</i> (Teleostei: Gymnotiformes) from an upper Amazon floodplain, with descriptions of electric organ discharges and ecology. Ichthyol. Explor. Freshwat. 12(3):241-266. (Ref. 41292) 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#Morphology 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-58744 http://purl.org/dc/dcmitype/Text text/html Christine Marie V. Casal 2002-02-08 00:00:00 2013-11-15 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=58744 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Distribution demersal; freshwater; pH range: 6.3 - 7.2