FB-63444 http://www.fishbase.org/summary/SpeciesSummary.php?id=63444 Animalia Chordata Teleostei Anguilliformes Muraenidae Gymnothorax Gymnothorax hansi Heemstra, 2004 Clariallabes longicaudatus Pappenheim, 1911 2007-07-16 2007-07-16 Pappenheim, P.0 Zoologische Ergebnisse der Expedition des Herrn G. Tessmann nach Süd-Kamerun und Spanisch-Guinea. Fische. Mitt. Zool. Mus., Berl., 5:506-528. (Ref. 42020) Devaere, S., D. Adriaens and W. Verraes0 Survey of the anguilliform Clariidae (Teleostei, Siluriformes) of Gabon and Republic of Congo, with description of two new species and key to the African clariid genera. Belg. J. Zool. 137(1):99-109. (Ref. 58516) Teugels, G.G., D. Adriaens, S. Devaere and T. Musschoot0 Clariidae. p. 653-691. In M.L.J. Stiassny, G.G. Teugels and C.D. Hopkins (eds.) The fresh and brackish water fishes of Lower Guinea, West-Central Africa. Volume I. Collection Faune et Flore tropicales 42. Institut de Recherche pour le Développement, Paris, France, Muséum National d’Histoire Naturelle, Paris, France, and Musée Royal de l’Afrique Centrale, Tervuren, Belgium. 800 pp. (Ref. 81644) FB-GeneralDescr-63454 http://purl.org/dc/dcmitype/Text text/html Gert Boden 2007-07-30 20:27:52 2024-03-25 00:00:00 Biology http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=63454 Maximum total length recorded 323mm (Ref. 81644). Devaere, S., D. Adriaens and W. Verraes 2007 Survey of the anguilliform Clariidae (Teleostei, Siluriformes) of Gabon and Republic of Congo, with description of two new species and key to the African clariid genera. Belg. J. Zool. 137(1):99-109. (Ref. 58516) FB-DiagnosticDescr-63454 http://purl.org/dc/dcmitype/Text text/html Gert Boden 2007-07-30 20:56:23 2017-09-15 16:37:04 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=63454 Diagnosis: large, well pronounced supraorbital process present on infraorbital IV, reaching rostral border of eye; fenestra between scapulo-coracoid and cleithrum present; no contact between entopterygoid and quadrate; pale spot present on skull roof between anterior and posterior fontanel; low number of dorsal (98-116) and anal (75-105) fin rays (Ref. 81644). Clear serrations on both sides of pectoral spine (Ref. 58516, 81644).Description: body elongated, abdominal depth 4.0-9.8% SL (mean 6.3); long dorsal and anal fins, continuous with caudal fin; dorsal fin rays 98-116 (mode 105), anal fin rays 75-105 (mode 98); distance between supraoccipital process and dorsal fin 9.1-17.6% SL (mean 11.6); pectoral fins present, length between 41.8-73.5% skull length; pelvic fins present, length between 4.2-14.4% skull length; skull short, 5.8-13.8% SL (mean 8.5); skull width 64.4-79.6% skull length; skull roof (exposed bony part in between bulging jaw muscles) very narrow, 13.3-42.0% (mean 24.2) skull length; jaw muscles hypertrophied and bulging; eyes bordered by small infraorbital bones, of which postorbital one shows plate-like outgrowth and bears a supraorbital process reaching rostral border of eye; eyes small, without free orbital rim; lower lip clearly shorter than upper lip (Ref. 81644).Coloration: in live: brown dorsal side, gradually fading to a lighter brown colour, undefined paler line in the middle (Ref. 81644). Alcohol preserved specimens: light brown colour, gradually fading to a paler ventral side; a well-defined pale spot on skull roof (Ref. 81644). Devaere, S., D. Adriaens and W. Verraes 2007 Survey of the anguilliform Clariidae (Teleostei, Siluriformes) of Gabon and Republic of Congo, with description of two new species and key to the African clariid genera. Belg. J. Zool. 137(1):99-109. (Ref. 58516) FB-Morphology-63454 http://purl.org/dc/dcmitype/Text text/html Gert Boden 2007-07-30 20:56:23 2017-09-15 16:37:04 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=63454 Dorsal spines (total): 0; Dorsal soft rays (total): 98 - 116; Anal spines: 0; Analsoft rays: 75 - 105; Vertebrae: 84 - 91 Devaere, S., D. Adriaens and W. Verraes 2007 Survey of the anguilliform Clariidae (Teleostei, Siluriformes) of Gabon and Republic of Congo, with description of two new species and key to the African clariid genera. Belg. J. Zool. 137(1):99-109. (Ref. 58516) FB-Distribution-63454 http://purl.org/dc/dcmitype/Text text/html Gert Boden 2007-07-30 20:33:48 2017-09-15 17:42:06 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=63454 Africa: Ivindo River in Gabon (Ref. 58516, 81644) and the Mabelle River (Ref. 42020)(Mbini tributary) in Equatorial Guinea. Devaere, S., D. Adriaens and W. Verraes 2007 Survey of the anguilliform Clariidae (Teleostei, Siluriformes) of Gabon and Republic of Congo, with description of two new species and key to the African clariid genera. Belg. J. Zool. 137(1):99-109. (Ref. 58516) FB-Uses-63454 http://purl.org/dc/dcmitype/Text text/html Gert Boden 2007-07-30 20:27:52 2024-03-25 00:00:00 Importance http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=63454 fisheries: commercial FB-Size-63454 http://purl.org/dc/dcmitype/Text text/html Gert Boden 2007-07-30 20:27:52 2024-03-25 00:00:00 Max. size http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=63454 22.0 cm SL (male/unsexed; (Ref. 58516)) Devaere, S., D. Adriaens and W. Verraes 2007 Survey of the anguilliform Clariidae (Teleostei, Siluriformes) of Gabon and Republic of Congo, with description of two new species and key to the African clariid genera. Belg. J. Zool. 137(1):99-109. (Ref. 58516) 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-63454 http://purl.org/dc/dcmitype/Text text/html Gert Boden 2007-07-30 20:27:52 2024-03-25 00:00:00 Environment http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=63454 benthopelagic; freshwater