FB-5226 http://www.fishbase.org/summary/SpeciesSummary.php?id=5226 Animalia Chordata Teleostei Gonorynchiformes Phractolaemidae Phractolaemus Phractolaemus ansorgii Boulenger, 1901 Bahníček africký Velkošupináč Ansorgův Slangemudderfisk Afrikanischer Schlammfisch Blood fish Bloodfish Hingemouth Lontkala Liejukala Poisson de vase Slamfisk Ogidigbi Osigbi Botchele Botehele Lombembe Mudskip Okongo Okwon 非洲枕枝魚 非洲枕枝鱼 Phractolaemus ansorgei Boulenger, 1901 Phractolaemus ansorgei ansorgei (Boulenger, 1902) Phractolaemus ansorgei spinosus Pellegrin, 1925 Phractolaemus spinosus Pellegrin, 1925 Phractolaemus spinosus carpenteri Fowler, 1949 1992-03-17 2024-01-25 Breder, C.M. and D.E. Rosen0 Modes of reproduction in fishes. T.F.H. Publications, Neptune City, New Jersey. 941 p. (Ref. 205) Nelson, J.S.0 Fishes of the world. 2nd edition. John Wiley & Sons, Inc., New York. 523 p. (Ref. 245) Meek, A.0 The migration of fish. Edward Arnold, London. 427 p. (Ref. 903) Boulenger, G.A.0 Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History). Volume I. Printed by order of the Trustees, London. 373 p. (Ref. 1878) Boulenger, G.A.0 Additions à la faune ichthyologique du bassin du Congo. Ann. Mus. Congo, Zool. (1), 2(2):19-57. (Ref. 1884) Daget, J. and A. Iltis0 Poissons de Côte d'Ivoire (eaux douces et saumâtres). Mém. I.F.A.N. 74:385 p. (Ref. 1989) Lévêque, C.0 Phractolaemidae. p. 189-191. In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douces et saumâtres d'Afrique de l'Ouest. Tome I. Coll. Faune Tropicale n° XXVIII. Musée Royal de l'Afrique Centrale, Tervuren, and O.R.S.T.O.M.,Paris, 384 p. (Ref. 2913) Boulenger, G.A.0 On the fishes collected by Dr. W.J. Ansorge in the Niger delta. Proc. Zool. Soc. Lond. 1901:4-10. (Ref. 2984) Pellegrin, J.0 Les poissons des eaux douces de l'Afrique occidentale (du Sénégal au Niger). Publ. Com. Hist. Sci. A.O.F., É. Larose, Paris. 373 p. (Ref. 3054) Poll, M.0 Les genres des poissons d'eau douce de l'Afrique. Ann. Mus. R. Congo Belge, série in-8°, Sci. Zool., 54:191 p. (Ref. 3062) Sydenham, D.H.J.0 The qualitative composition and longitudinal zonation of the fish fauna of the river Ogun, western Nigeria. Rev. Zool. Afr. 91(4):974-996. (Ref. 3076) Thys van den Audenaerde, D.F.E.0 Phractolaemidae. p. 136-137. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 3568) 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. Conseil Supérieur de la Pêche, Ministère de l'Environnement, CEMAGREF et Muséum national d'Histoire naturelle, Paris. (Ref. 4517) Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott0 World fishes important to North Americans. Exclusive of species from the continental waters of the United States and Canada. Am. Fish. Soc. Spec. Publ. (21):243 p. (Ref. 4537) Gosse, J.P.0 Le milieu aquatique et l'écologie des poissons dans la région de Yangambi. Ann. Mus. R. Afr. Centr., Sér. in-8°, Sci. Zool., 116:113-270. (Ref. 4910) Vasil'ev, V.P.0 Chromosome numbers in fish-like vertebrates and fish. J. Ichthyol. 20(3):1-38. (Ref. 8973) King, R.P.0 Length-weight relationships and related statistics of 73 populations of fish occurring in inland waters of Nigeria. Naga, ICLARM Q. 19(3):49-52. (Ref. 11363) Anonymous0 Fish registrations within the museum database of the Vertebrate Section of the Royal Museum for Central Africa. MRAC, Tervuren, Belgium. (Ref. 12818) Paugy, D., K. Traoré and P.S. Diouf0 Faune ichtyologique des eaux douces d'Afrique de l'Ouest. p.35-66. In G.G. Teugels, J.F. Guégan and J.J. Albaret (eds.) Biological diversity of African fresh-and brackish water fishes. Geographical overviews presented at the PARADI Symposium, Senegal, 15-20 November 1993. Ann. Mus. R. Afr. Centr., Sci. Zool., 275:177 p. (Ref. 13331) Riehl, R. and H.A. Baensch0 Aquarien Atlas, Band 1. 10th edition. Mergus Verlag GmBH, Melle, Germany. 992 p. (Ref. 13371) Vervoort, A.0 Karyotype and DNA content of <i>Phractolaemus ansorgei</i> Blgr. (Teleostei: Gonorynchiformes). Experientia. 35(4):479-480. (Ref. 29531) Olaosebikan, B.D. and A. Raji0 Field guide to Nigerian freshwater fishes. Federal College of Freshwater Fisheries Technology, New Bussa, Nigeria. 106 p. (Ref. 31256) Swedish Museum of Natural History0 Fish collection database of the Naturhistoriska riksmuseet (Swedish Museum of Natural History). Ichthyology Section, Department of Vertebrate Zoology, Swedish Museum of Natural History, Stockholm, Sweden. (Ref. 31402) Wu, H.L., K.-T. Shao and C.F. Lai (eds.)0 Latin-Chinese dictionary of fishes names. The Sueichan Press, Taiwan. 1028 p. (Ref. 31517) Anonymous0 Fish collection database of the Natural History Museum, London (formerly British Museum of Natural History (BMNH)). Natural History Museum, London (formerly British Museum of Natural History (BMNH)). (Ref. 31982) Anonymous0 The icthyological collection of the Zoological Museum Hamburg (ZMH). Division of Ichthyology and Herpetology, Zoological Museum Hamburg (ZMH). (Ref. 35508) Wiley, M.L. and B.B. Collette0 Breeding tubercles and contact organs in fishes: their occurrence, structure and significance. Bull. Amer. Mus. Nat. Hist. 143:146-216. (Ref. 38266) Anonymous0 Fish collection database of the National Museum of Natural History (Smithsonian Institution). Smithsonian Institution-Division of Fishes. (Ref. 38732) Anonymous0 Fish collection database of the Zoological Museum, University of Copenhagen. Zoological Museum, University of Copenhagen. (Ref. 40919) Anonymous0 Fish collection database of the American Museum of Natural History. American Museum of Natural History, Central Park West , NY 10024-5192, USA. (Ref. 41414) Matthes, H.0 Les poissons du lac Tumba et de la région d'Ikela. Étude systématique et écologique. Ann. Mus. R. Afr. Centr., série in-8°, Sci. Zool. 126:204 p. (Ref. 41580) Poll, M.0 Recherches sur la faune ichthyologique de la région du Stanley-Pool. Ann. Mus. R. Congo Belge, Sér. In-8°, Sci. Zool., 71:75-174. (Ref. 41585) Boeseman, M.0 On a collection of fishes from Stanley Pool (Belgian Congo). Zool. Meded. (Leiden) 35(11):139-151. (Ref. 41588) David, L. and M. Poll0 Contribution à la faune ichthyologique du Congo Belge: collections du Dr. H. Schouteden (1924-1926) et d'autres récolteurs. Ann. Mus. Congo Belge, Zool. (1), 3(5):189-294. (Ref. 41590) Pellegrin, J.0 Poissons du Chiloango et du Congo recueillis par l'expédition du Dr. Schouteden (1920-1922). Ann. Mus. Congo Belge, Zool. (1), 3(1):1-50. (Ref. 41591) Poll, M. and J.P. Gosse0 Contribution à l'étude systématique de la faune ichthyologique du Congo central. Ann. Mus. R. Afr. Centr., Sér. in-8°, Sci. Zool., 116:43-110. (Ref. 42033) Pellegrin, J.0 Poissons de l'Ogôoué, du Kouilou, de l'Alima et de la Sangha recueillis par M.A. Baudon. Description de cinq espèces et cinq variétés nouvelles. Bull. Soc. Zool. Fr. 55:196-210. (Ref. 42035) Angel, F.0 Atlas des poissons. IV. Poissons des eaux douces. Espèces exotiques et d'ornement. Aquariophilie. Éditions N. Boubée et Cie., Paris:181 p. (Ref. 42872) Welman, J.B.0 Preliminary survey of the freshwater fisheries of Nigeria. The Government Printer, Lagos. 71 p. (Ref. 42906) Poll, M.0 Recherches écologiques sur la faune ichthyologique du Stanley-Pool. Ann. Soc. R. Zool. Belg. 89(1):183-201. (Ref. 44842) Marlier, G.0 Recherches hydrobiologiques au lac Tumba (Congo Belge, Province de l'Equateur). Hydrobiologia 10:352-385. (Ref. 44912) Gosse, J.-P.0 Les poissons du bassin de l'Ubangi. Mus. R. Afr. Centr., Doc. Zool., 13:56 p. (Ref. 45441) Hulot, A.0 Le régime alimentaire des poissons du centre africain. Intérêt éventuel de ces poissons en vue d'une zootechnie économique au Congo belge. Bull. Agric. Congo Belge 41(1):145-176. (Ref. 45483) Boulenger, G.A.0 L'état présent de nos connaissances sur la faune ichthyologique du bassin du Congo. Rev. Zool. Afr. 1(1):12-21. (Ref. 46252) Poll, M.0 Poissons de forêt des environs de Yangambi (Stanleyville) recueillis par A. Hulot. Ann. Mus. Congo Tervuren, in 4°, Zool. 1:56-68. (Ref. 46880) Daget, J.0 Poissons d'eau douce nouvellement entrés dans les collections de l'Ifan. Bull. I.F.A.N. 13(4):1141-1151. (Ref. 49012) Hanel, L. and J. Novák0 České názvy zivočichů V. Ryby a ryboviti obratlovci (Pisces) 3., maloústí (Gonorhynchiformes) - máloostní (Cypriniformes). Národní muzeum (zoologické oddělení), Praha. (Ref. 51055) Carl, H.0 Danish fish names. Zoological Museum of Copenhagen. Unpublished. (Ref. 51471) Mdaihli, M., T. du Feu and J.S.O. Ayeni0 Fisheries in the southern border zone of Takamanda Forest Reserve, Cameroon. p. 141-154. In J.A. Comiskey and T.C.H. Sunderland (eds). Takamanda: the Biodiversity of an African forest. SI/MAB Ser. 8. 182 p. (Ref. 52397) Pellegrin, J.0 Poissons du nord du Gabon et de la Sangha recueillis par M. Baudon. Description de deux espèces et d'une variété nouvelles. Bull. Soc. Zool. Fr. 50:97-106. (Ref. 53209) Odum, O. and M. Anuta0 The food and feeding habits of <i>Phractolaemus anosrgii</i> (Boulenger) from Warri River, Nigeria. J. Aquat. Sci. 16(1):18-21. (Ref. 55513) Chinese Academy of Fishery Science (CAFS)0 Database of genetic resources of aquatic organisms in China (as of January 2007). Chinese Academy of Fishery Science. (Ref. 57879) Chinese Academy of Fishery Sciences0 Chinese aquatic germplasm resources database. http://zzzy.fishinfo.cn (Ref. 58108) FAO-FIES0 Aquatic Sciences and Fisheries Information System (ASFIS) species list. Retrieved from http://www.fao.org/fishery/collection/asfis, 29 April 2008. (Ref. 75549) Brien, P., M. Poll and J. Bouillon0 I. - Ethologie de la reproduction de <i>Protopterus dolloi</i> Blgr. Ann. Mus. R. Congo Belge, Sér. in-8°, Sci. Zool., 71:23-74. (Ref. 80721) Lévêque, C. and D. Paugy0 Phractolaemidae. p. 229-231. In D. Paugy, C. Lévêque and G.G Teugels (eds.) The fresh and brackish water fishes of West Africa Volume 1. Coll. faune et flore tropicales 40. Institut de recherche de développement, Paris, France, Muséum national d'histoire naturelle, Paris, France and Musée royal de l'Afrique Central, Tervuren, Belgium, 457p. (Ref. 81277) Boulenger, G.A.0 A list of the freshwater fishes of Africa. Ann. Mag. Nat. Hist. (Ser. 7) 16: 36-60. (Ref. 83360) FAO-FIES0 Aquatic Sciences and Fisheries Information System (ASFIS) species list. Retrieved from http://www.fao.org/fishery/collection/asfis/en, March 2010. (Ref. 83882) Fowler, H.W.0 Results of the two Carpenter African Expeditions, 1946-1948. Part II - The fishes. Proc. Acad. Nat. Sci. Philad. 101:233-275. (Ref. 83895) FAO-FIES0 Aquatic Sciences and Fisheries Information System (ASFIS) species list. Retrieved from http://www.fao.org/fishery/collection/asfis/en, March 2012. (Ref. 90062) Pellegrin, J.0 Les poissons des eaux douces de Madagascar et des îles voisines (Comores, Seychelles, Mascareignes). Mém. Acad. Malgache 14:1-222. (Ref. 91224) Gosse, J.P.0 Les méthodes et engins de pêche des Lokele. Bull. Agr. Congo 52(2):335-386. (Ref. 93181) Thys van den Audenaerde, D.F.E.0 L'Anatomie de <i>Phractolaemus ansorgei</i> Blgr. et la position systématique des Phractolaemidae. Ann. Mus. R. Afr. Centr., Sér. in-8°, Sci. Zool., 103:99-167. (Ref. 93182) Thys van den Audenaerde, D.F.E.0 Existence de deux races géographiques distinctes chez <i>Phractolaemus ansorgei</i> Blgr 1901 (Pisces, Clupeiformes). Bull. Séances Acad. R. Sci. Outre-Mer 7(2):222-251. (Ref. 93183) Poll, M.0 Au sujet du <i>Phractolaemus spinosus</i> Pellegrin (= <i>Phractolaemus ansorgii</i> Boulenger). Rev. Zool. Bot. Afr. 21(3):287-290. (Ref. 93266) Pellegrin, J.0 Sur les poissons africains de la famille des Phractolaemidés. C. R. Hebd. Seances Acad. Sci. 180:549-551. (Ref. 93267) Monsembula Iyaba, R.J.C. and M.L.J. Stiassny0 Fishes of the Salonga National Park (Congo basin, central Africa): a list of species collected in the Luilaka, Salonga, and Yenge Rivers (Equateur Province, Democratic Republic of Congo). Check List 9(2):246-256. (Ref. 93897) FAO-FIES0 Aquatic Sciences and Fisheries Information System (ASFIS) species list. Retrieved from http://www.fao.org/fishery/collection/asfis/en, April 2014. (Ref. 95632) Lingofo Bolaya, R.0 Common names of some fish species found in the Isangi Territory (Tshopo District, Orientale Province, Democratic Republic of the Congo). Unpublished compilation of R. Lingofo Bolaya. (Ref. 98754) FAO-FIES0 Aquatic Sciences and Fisheries Information System (ASFIS) species list. Retrieved from http://www.fao.org/fishery/collection/asfis/en, [accessed 13/04/2015]. (Ref. 101110) Pihu, E.0 Loomade elu 4. köide. Kalad. Pihu, E. 1979. Loomade Elu, 4. Köide, Kalad. Valgus, Tallinn. (Ref. 105472) FAO-FIES0 Aquatic Sciences and Fisheries Information System (ASFIS) species list. Retrieved from http://www.fao.org/fishery/collection/asfis/en (accessed 08/06/2017). (Ref. 115257) FAO-FIES0 Aquatic Sciences and Fisheries Information System (ASFIS) species list. Retrieved from htttps://www.fao.org/fishery/collection/asfis/en [accessed May, 2018] (Ref. 118272) Stiassny, M.L.J., E. Alter, R.J.C. Monsembula Iyaba and T.L.D. Liyandja0 Two new <i>Phenacogrammus</i> (Characoidei; Alestidae) from the Ndzaa River (Mfimi-Lukenie basin) of central Africa, Democratic Republic of Congo. Am. Mus. Novit. 3980:1-22. (Ref. 127185) Beolens, B., M. Grayson and M. Watkins0 Eponym dictionary of Fishes. Dunbeath, Caithness (Scotland, UK): Whittles Publishing Limited, 1300 p. (Ref. 128868) FB-GeneralDescr-5226 http://purl.org/dc/dcmitype/Text text/html Tess Cruz 1992-03-17 00:00:00 2024-01-25 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=5226 http://rs.tdwg.org/ontology/voc/SPMInfoItems#DiagnosticDescription Lives in forest pools and swamps (Ref. 41580). Microphagous (Ref. 4910, 41580, 45483), especially phytophagous (epiphytes), and detritiphagous (Ref. 41580). Swim bladder entirely alveolar, functioning like a lung; this adaptation to aerial breathing allows the fish to survive under poor oxygenation conditions (Ref. 2913, 81277); recorded from nearly deoxygenated lungfish nest in Pool Malebo, Congo DR (Ref. 41585). Gonads, which are largely fused, are situated ventrally, not dorsally, in abdominal cavity (Ref. 41580). Mouth can be projected as a small trunk (Ref. 2913). Eggs transparent, yellow-greenish, 1.5-1.7mm diameter; large females may have several thousands of eggs (Ref. 41580). Particular blood system, with dark coloured and an abundant amouth of blood (Ref. 4910). Lévêque, C. 1990 Phractolaemidae. p. 189-191. In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douces et saumâtres d'Afrique de l'Ouest. Tome I. Coll. Faune Tropicale n° XXVIII. Musée Royal de l'Afrique Centrale, Tervuren, and O.R.S.T.O.M.,Paris, 384 p. (Ref. 2913) FB-DiagnosticDescr-5226 http://purl.org/dc/dcmitype/Text text/html Maria Lourdes D. Palomares 1992-07-13 00:00:00 2013-04-15 21:21:24 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=5226 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Morphology Diagnosis: head depressed and strongly ossified; anterior nostril elongate, forming an oblique, forward-pointing tube; posterior nostril crescent-shaped, located just behind the narial tube (Ref. 2913, 81277). Mouth small, protrusible (Ref. 245, 31256, 81277), placed at tip of a proboscis and opening upwards between the narial tubes (Ref. 2913, 81277), on upper surface of snout (Ref. 245, 31256). Narrow gill opening, but opercles very well developed, covering also the underside of the head where they overlap (Ref. 2913, 81277, 93183).Description: head bony (Ref. 2913), depressed, with very broad, slightly convex interorbital region (Ref. 2984). Pair of small nasal barbels (Ref. 31256). Jaws with only two teeth, at symphysis of lower jaw (Ref. 245). No pharyngeal teeth (Ref. 3062). Swim bladder divided into numerous small alveoli and adapted to airbreathing (Ref. 245). All fins spineless; dorsal and anal fins each supported by 2 simple and 4 branched rays; scale formula: 3.5/35-38/4.5; 3.5; 16; lateral line complete (Ref. 2913, 81277). Scales longitudinal striated (Ref. 2984, 31256), large (Ref. 2984), cycloid (Ref. 245, 3062). 16-20 medio-dorsal scales, 12-16 scales in front of pelvic fins, 11-12 between pelvic fins and vent; 27-30 precaudal vertebrae, 8 caudal vertebrae (Ref. 93183). Accessory epibranchial respiratory organ on 4th branchial bone (Ref. 3062). Pectoral fins rounded, pelvics pointed, caudal fin rounded (Ref. 2984). Details on internal anatomie (including skeleton) can be found in Ref. 93182, tubercle morpholgy in Ref. 38266, details on swim bladder anatomy in relation to air breathing in Thys van den Audenaerde 1959, some details on osteology in Gosline 1960 and details on cranial osteology in Ridewood 1905.Coloration: uniformly brown; fins generally colourless and transparent, but the unpaired fins may be tinged with red (Ref. 2913, 81277). Some scales silvery with golden reflection, especially on posterior part of body where they may form longitudinal lines (Ref. 41580). Lévêque, C. and D. Paugy 2003 Phractolaemidae. p. 229-231. In D. Paugy, C. Lévêque and G.G Teugels (eds.) The fresh and brackish water fishes of West Africa Volume 1. Coll. faune et flore tropicales 40. Institut de recherche de développement, Paris, France, Muséum national d'histoire naturelle, Paris, France and Musée royal de l'Afrique Central, Tervuren, Belgium, 457p. (Ref. 81277) FB-Morphology-5226 http://purl.org/dc/dcmitype/Text text/html Maria Lourdes D. Palomares 1992-07-13 00:00:00 2013-04-15 21:21:24 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=5226 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Distribution Dorsal spines (total): 0; Dorsal soft rays (total): 6; Analspines: 0; Analsoft rays: 6; Vertebrae: 34 - 38 Lévêque, C. and D. Paugy 2003 Phractolaemidae. p. 229-231. In D. Paugy, C. Lévêque and G.G Teugels (eds.) The fresh and brackish water fishes of West Africa Volume 1. Coll. faune et flore tropicales 40. Institut de recherche de développement, Paris, France, Muséum national d'histoire naturelle, Paris, France and Musée royal de l'Afrique Central, Tervuren, Belgium, 457p. (Ref. 81277) FB-Distribution-5226 http://purl.org/dc/dcmitype/Text text/html Tess Cruz 1992-03-17 00:00:00 2022-09-01 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=5226 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Uses Africa: in West Africa from Lake Nokoué (Ouémé River, Benin) (Ref. 81277) to Cross River (Cameroon) (Ref. 52397), including Ogun, Osse and Niger Delta (Ref. 81277). Also in the middle Congo River basin (Ref. 93183) in Republic of Congo and Democratic Republic of the Congo. Lévêque, C. 1990 Phractolaemidae. p. 189-191. In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douces et saumâtres d'Afrique de l'Ouest. Tome I. Coll. Faune Tropicale n° XXVIII. Musée Royal de l'Afrique Centrale, Tervuren, and O.R.S.T.O.M.,Paris, 384 p. (Ref. 2913) FB-LifeCycle-5226 http://purl.org/dc/dcmitype/Text text/html Susan M. Luna 1992-03-17 00:00:00 2024-01-25 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org//Reproduction/FishReproSummary.php?ID=5226&StockCode=5464 http://rs.tdwg.org/ontology/voc/SPMInfoItems#TrophicStrategy Males and females have lateral tubercles on their body which probably aid in maintaining contact during spawning (Ref. 38266). 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-TrophicStrategy-5226 http://purl.org/dc/dcmitype/Text text/html Grace Tolentino Pablico 2005-09-27 00:00:00 2005-10-14 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public ansorgii http://rs.tdwg.org/ontology/voc/SPMInfoItems#Size Feeds mainly on detritus, algae, dominated by Bacillariophyceae and sand grains. Feeding habits varied seasonally and with fish size. Odum, O. and M. Anuta 2001 The food and feeding habits of <i>Phractolaemus anosrgii</i> (Boulenger) from Warri River, Nigeria. J. Aquat. Sci. 16(1):18-21. (Ref. 55513) FB-Size-5226 http://purl.org/dc/dcmitype/Text text/html Tess Cruz 1992-03-17 00:00:00 2024-01-25 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=5226 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Threats 25.0 cm TL (male/unsexed; (Ref. 93183)) Thys van den Audenaerde, D.F.E. 1961 Existence de deux races géographiques distinctes chez <i>Phractolaemus ansorgei</i> Blgr 1901 (Pisces, Clupeiformes). Bull. Séances Acad. R. Sci. Outre-Mer 7(2):222-251. (Ref. 93183) 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#Habitat 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-5226 http://purl.org/dc/dcmitype/Text text/html Tess Cruz 1992-03-17 00:00:00 2024-01-25 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=5226 http://rs.tdwg.org/ontology/voc/SPMInfoItems#DiagnosticDescription benthopelagic; freshwater; pH range: 6.0 - 8.0; dH range: 25