FB-9375 http://www.fishbase.org/summary/SpeciesSummary.php?id=9375 Animalia Chordata Teleostei Siluriformes Schilbeidae Schilbe Schilbe uranoscopus Rüppell, 1832 Umkettif Um katif Egyptian butter catfish Nalanga Manja Asan Aglung Akunbili Elangi Nail Naili Nzengenzenge 瞻星錫伯鯰 瞻星锡伯鲶 Schilbe isidori Valenciennes, 1840 Schilbe mystus (non Linaeus, 1758) 1994-04-15 2024-04-16 Breder, C.M. and D.E. Rosen0 Modes of reproduction in fishes. T.F.H. Publications, Neptune City, New Jersey. 941 p. (Ref. 205) De Vos, L.0 Schilbeidae. p. 36-53. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 2. (Ref. 3570) Hureau, J.-C.0 La base de données GICIM: Gestion informatisée des collections ichthyologiques du Muséum. p. 225-227. In Atlas Préliminaire des Poissons d'Eau Douce de France. 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Coll. Faune et Flore tropicales 40. Musée Royal de l'Afrique Centrale, Tervuren, Belgique, Museum National d'Histoire Naturalle, Paris, France and Institut de Recherche pour le Développement, Paris, France. 815 p. (Ref. 57127) Chinese Academy of Fishery Sciences0 Chinese aquatic germplasm resources database. http://zzzy.fishinfo.cn (Ref. 58108) Getahun, A.0 An overview of the diversity and conservation status of the Ethiopian freshwater fauna. J. Afrotrop. Zool. Special Issue:87-96. (Ref. 58460) De Vos, L.0 Schilbeidae. p. 630-652. 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. 81643) FAO-FIES0 Aquatic Sciences and Fisheries Information System (ASFIS) species list. 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Thom, A. Duncan and O. Slavík0 Migration of freshwater fishes. Blackwell Science Ltd. 440 p. (Ref. 138143) FB-GeneralDescr-9375 http://purl.org/dc/dcmitype/Text text/html Pascualita Sa-a 1994-04-15 00:00:00 2025-11-19 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=9375 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Distribution Adapted to riverine and lacustrine conditions. Adults live mainly in the open waters; predatory, carnivorous but not strictly piscivorous. Young are essentially entomophagous (Ref. 43912). Oviparous, eggs are unguarded (Ref. 205). Of some economic value to the fishermen especially in the Chad basin (Ref. 43912). Maximum reported total length 45 cm (Nile basin)(Ref. 43912). De Vos, L. 2003 Schilbeidae. p. 97-116 In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douce et saumâtres de l'Afrique de l'Ouest, Tome 2. Coll. Faune et Flore tropicales 40. Musée Royal de l'Afrique Centrale, Tervuren, Belgique, Museum National d'Histoire Naturalle, Paris, France and Institut de Recherche pour le Développement, Paris, France. 815 p. (Ref. 57127) FB-DiagnosticDescr-9375 http://purl.org/dc/dcmitype/Text text/html Tobias Musschoot 2014-09-23 00:00:00 2019-02-26 17:25:52 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=9375 Diagnosis: 13-16 gill rakers on lower limb of first gill arch; 57-75 branched anal-fin rays; eyes positioned dorso-laterally; adipose fin always absent (Ref. 43912, 57127, 81643). Often with a post-occipital hump, a character also sometimes found in Schilbe intermedius whose head profile is extremely variable (Ref. 57127, 81643). Posterior nostrils closer to each other than are anterior ones; nasal barbel at maximum reaching to midway between eye and opercle, but generally shorter; inner side of pectoral spine feebly serrated (Ref. 43912).Description: 50-57 vertebrae, 45-52 non-fused vertebrae; 8-10 branchiostegal rays on one side of head; caudal peduncle generally deeper than long, in some cases as long as or slightly longer than deep; nasal barbel reaches at maximum to midway between eye and opercle but in larger specimens it is much shorter and does not even reach beyond orbit; maxillary barbel reaches at least to middle of eye and at maximum to posterior border of opercle; inner mandibular barbel short and reaches at maximum to just beyond orbit; outer mandibular barbels reach at least to midway between eye and opercle and at maximum to posterior border of opercle; in many specimens upper profile of head nearly horizontal and nape ascends very abruptly from occiput to dorsal fin, thereby forming a well-defined hump (Ref. 43912). Schilbe uranoscopus is closely related to S. intermedius from which it can be distinguished by the higher number of gill rakers on the lower part of the anterior arch (13-16 against 7-14 in S. intermedius), the higher number of branched anal fin rays (57-75 versus 41-66 in S. intermedius) and by the supero-lateral position of the eyes (Ref. 43912).Coloration: Juveniles: sides more or less silvery, head and postcephalic area irregularly mottled (Ref. 43912, 57127, 81643) as well as sides, just behind opercle (Ref. 43912). In adults, head and back, as well as all fin-bases, dark brown; sides yellowish or whitish; anal fin sometimes black-edged (Ref. 43912, 57127, 81643). Dark blotch present behind head, where swimbladder comes close under skin; brown median stripe may be present along caudal peduncle (Ref. 43912). De Vos, L. 2003 Schilbeidae. p. 97-116 In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douce et saumâtres de l'Afrique de l'Ouest, Tome 2. Coll. Faune et Flore tropicales 40. Musée Royal de l'Afrique Centrale, Tervuren, Belgique, Museum National d'Histoire Naturalle, Paris, France and Institut de Recherche pour le Développement, Paris, France. 815 p. (Ref. 57127) FB-Morphology-9375 http://purl.org/dc/dcmitype/Text text/html Tobias Musschoot 2014-09-23 00:00:00 2019-02-26 17:25:52 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=9375 Dorsal spines (total): 1; Analsoft rays: 59 - 73; Vertebrae: 50 - 57 De Vos, L. 2003 Schilbeidae. p. 97-116 In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douce et saumâtres de l'Afrique de l'Ouest, Tome 2. Coll. Faune et Flore tropicales 40. Musée Royal de l'Afrique Centrale, Tervuren, Belgique, Museum National d'Histoire Naturalle, Paris, France and Institut de Recherche pour le Développement, Paris, France. 815 p. (Ref. 57127) FB-Distribution-9375 http://purl.org/dc/dcmitype/Text text/html Pascualita Sa-a 1994-04-15 00:00:00 2017-09-12 20:44:08 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=9375 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Threats Africa: Niger (Lake Kainji and further downstream), Cross and Chad basins (Ref. 57127, 81643). Also in the Nile and Lake Turkana system (Ref. 43912, 81643). De Vos, L. 1995 A systematic revision of the African Schilbeidae (Teleostei, Siluriformes). With an annotated bibliography. Ann. Mus. R. Afr. Centr., Sci. Zool., 271:1-450. (Ref. 43912) FB-Uses-9375 http://purl.org/dc/dcmitype/Text text/html Pascualita Sa-a 1994-04-15 00:00:00 2025-11-19 00:00:00 Importance http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=9375 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Habitat fisheries: minor commercial De Vos, L. 1995 A systematic revision of the African Schilbeidae (Teleostei, Siluriformes). With an annotated bibliography. Ann. Mus. R. Afr. Centr., Sci. Zool., 271:1-450. (Ref. 43912) FB-Migration-9375 http://purl.org/dc/dcmitype/Text text/html Pascualita Sa-a 1994-04-15 00:00:00 2025-11-19 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=9375 http://rs.tdwg.org/ontology/voc/SPMInfoItems#DiagnosticDescription Potamodromous. Migrating within streams, migratory in rivers, e.g. Saliminus, Moxostoma, Labeo. Migrations should be cyclical and predictable and cover more than 100 km. Lucas, M.C., E. Baras, T.J. Thom, A. Duncan and O. Slavík 2001 Migration of freshwater fishes. Blackwell Science Ltd. 440 p. (Ref. 138143) FB-LifeCycle-9375 http://purl.org/dc/dcmitype/Text text/html Susan M. Luna 1994-04-15 00:00:00 2025-11-19 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org//Reproduction/FishReproSummary.php?ID=9375&StockCode=9697 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Morphology Distinct pairing (Ref. 205). Breder, C.M. and D.E. Rosen 1966 Modes of reproduction in fishes. T.F.H. Publications, Neptune City, New Jersey. 941 p. (Ref. 205) FB-Size-9375 http://purl.org/dc/dcmitype/Text text/html Pascualita Sa-a 1994-04-15 00:00:00 2025-11-19 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=9375 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Distribution 36.0 cm SL (male/unsexed; (Ref. 57127)) De Vos, L. 2003 Schilbeidae. p. 97-116 In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douce et saumâtres de l'Afrique de l'Ouest, Tome 2. Coll. Faune et Flore tropicales 40. Musée Royal de l'Afrique Centrale, Tervuren, Belgique, Museum National d'Histoire Naturalle, Paris, France and Institut de Recherche pour le Développement, Paris, France. 815 p. (Ref. 57127) 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-9375 http://purl.org/dc/dcmitype/Text text/html Pascualita Sa-a 1994-04-15 00:00:00 2025-11-19 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=9375 http://rs.tdwg.org/ontology/voc/SPMInfoItems#TrophicStrategy demersal; potamodromous (Ref. 138143); freshwater Lucas, M.C., E. Baras, T.J. Thom, A. Duncan and O. Slavík 2001 Migration of freshwater fishes. Blackwell Science Ltd. 440 p. (Ref. 138143)