FB-67046 http://www.fishbase.org/summary/SpeciesSummary.php?id=67046 Animalia Chordata Elasmobranchii Carcharhiniformes Carcharhinidae Scoliodon Scoliodon macrorhynchos (Bleeker, 1852) 2013-07-18 2022-08-16 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) 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-67055 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2013-07-24 00:00:00 2024-07-18 00:00:00 Biology http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=67055 The type locality, Rio Mucajaí, is characterized by rapid flowing water and a 20 m high waterfall. The species was encountered above these falls in an area with many rapids and no still backwaters (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-67055 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2013-07-24 00:00:00 2013-07-29 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=67055 Distinguished from other congeners by having the following combinations of characters: length of the gape with the rictus falling short of the vertical through the posterior naris; the length of the coronomeckelian bone 50% or more the length of Meckel’s cartilage; the length of the posterior ceratohyal approximately the same length as the ventral hypohyal; 10-14 scales above the lateral line at the midbody; the form of the premaxilla with the anteroposterior length greater than the transverse width; the distribution of the teeth on the dentary restricted to anterior one-half or slightly more of the dorsal margin; five or six teeth arranged in single row on the internal surface of the endopterygoid; 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; 18-21 pectoral-fin rays; 190-222 anal-fin rays (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-67055 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2013-07-24 00:00:00 2013-07-29 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=67055 Analsoft rays: 190 - 222 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-67055 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2013-07-24 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=67055 South America: Rio Mucajaí and Rio Uraricoera in the north-eastern portions of the 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-Uses-67055 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2013-07-24 00:00:00 2024-07-18 00:00:00 Importance http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=67055 fisheries: of no interest FB-Size-67055 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2013-07-24 00:00:00 2024-07-18 00:00:00 Max. size http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=67055 34.2 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-67055 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2013-07-24 00:00:00 2024-07-18 00:00:00 Environment http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=67055 benthopelagic; freshwater