FB-67047 http://www.fishbase.org/summary/SpeciesSummary.php?id=67047 Animalia Chordata Teleostei Siluriformes Sisoridae Glyptothorax Glyptothorax igniculus Ng & Kullander, 2013 2013-07-18 2021-09-21 Vari, R.P., C.D. de Santana and W.B. Wosiacki0 South American electric knifefishes of the genus Archolaemus (Ostariophysi, Gymnotiformes): undetected diversity in a clade of rheophiles. Zoological Journal of the Linnaean Society 165:670-699. (Ref. 93148) Giarrizzo, T., R.R. de Sena Oliveira, M.C. Andrade, A.P. Gonçalves, T.A.P. Barbosa, A.R. Martins, D.K. Marques, J.L.B. dos Santos, R. de P., da S. Frois, T.P.O. de Albuquerque, L.F.de A. Montag, M. Camargo and L.M. de Sousa0 Length-weight and length-length relationships for 135 fish species from the Xingu River (Amazon basin, Brazil). J. Appl. Ichthyol. 31:514-424. (Ref. 111518) Saks, L.0 Estonian Common Names, Rank 2. Personal communication (Ref. 116654) Beolens, B., M. Grayson and M. Watkins0 Eponym dictionary of Fishes. Dunbeath, Caithness (Scotland, UK): Whittles Publishing Limited, 1300 p. (Ref. 128868) FB-GeneralDescr-67056 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2013-07-29 00:00:00 2013-07-30 00:00:00 Biology http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=67056 Collected in river with pronounced current that was faster towards the centre of the channel, with the substrate in the sampled areas formed by pebbly sand. Also found in the main stream of shallow rapids and small waterfalls, always over a rocky bottom (Ref. 93148). Vari, R.P., C.D. de Santana and W.B. Wosiacki 2012 South American electric knifefishes of the genus Archolaemus (Ostariophysi, Gymnotiformes): undetected diversity in a clade of rheophiles. Zoological Journal of the Linnaean Society 165:670-699. (Ref. 93148) FB-DiagnosticDescr-67056 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2013-07-30 00:00:00 2013-07-30 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=67056 Distinguished by the following combination of characters: gape relatively long, the rictus falling short posteriorly of the vertical through the posterior naris; the anteroposterior length of premaxilla equal to the transverse width; teeth on the dentary occupying most of the dorsal margin; two or three teeth arranged in a single row on the internal surface of the endopterygoid; 15-17 scales above the lateral line at the midbody; the length of the coronomeckelian bone less than 20% the length of Meckel’s cartilage; length of theposterior ceratohyal 1.5 times the length of the ventral hypohyal; the length of the caudal filament 16.0-25.7% LEA; depth of the caudal filament 5.6-11.2% CL; presence of a narrow dark stripe along the lateral line and a broad band of dusky to dark pigmentation overlying the basal pterygiophores of the anal fin; 19-21 pectoral-fin rays; 205-228 anal-fin rays; headlength at the opercle 13.5-14.7% LEA (Ref. 93148). Description: anal fin with 22-33 unbranched rays and 205-228 total fin rays; pectoral-fin rays ii, 19 to ii, 21 (Ref. 93148). Vari, R.P., C.D. de Santana and W.B. Wosiacki 2012 South American electric knifefishes of the genus Archolaemus (Ostariophysi, Gymnotiformes): undetected diversity in a clade of rheophiles. Zoological Journal of the Linnaean Society 165:670-699. (Ref. 93148) FB-Morphology-67056 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2013-07-30 00:00:00 2013-07-30 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=67056 Analsoft rays: 205 - 228 Vari, R.P., C.D. de Santana and W.B. Wosiacki 2012 South American electric knifefishes of the genus Archolaemus (Ostariophysi, Gymnotiformes): undetected diversity in a clade of rheophiles. Zoological Journal of the Linnaean Society 165:670-699. (Ref. 93148) FB-Distribution-67056 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2013-07-29 00:00:00 2025-11-05 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=67056 South America: Rio Xingu and upper Rio Tapajós, Amazon basin, Brazil. Vari, R.P., C.D. de Santana and W.B. Wosiacki 2012 South American electric knifefishes of the genus Archolaemus (Ostariophysi, Gymnotiformes): undetected diversity in a clade of rheophiles. Zoological Journal of the Linnaean Society 165:670-699. (Ref. 93148) FB-Size-67056 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2013-07-29 00:00:00 2013-07-30 00:00:00 Max. size http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=67056 40.2 cm TL (male/unsexed; (Ref. 93148)) Vari, R.P., C.D. de Santana and W.B. Wosiacki 2012 South American electric knifefishes of the genus Archolaemus (Ostariophysi, Gymnotiformes): undetected diversity in a clade of rheophiles. Zoological Journal of the Linnaean Society 165:670-699. (Ref. 93148) 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/ http://www.fishbase.org/summary/SpeciesSummary.php?id=2 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-67056 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2013-07-29 00:00:00 2013-07-30 00:00:00 Environment http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=67056 benthopelagic; freshwater; pH range: 5.5