FB-2307 http://www.fishbase.org/summary/SpeciesSummary.php?id=2307 Animalia Chordata Teleostei Cichliformes Cichlidae Placidochromis Placidochromis polli (Burgess & Axelrod, 1973) Chisawasawa 波氏龍占麗魚 波氏龙占丽鱼 Lethrinops polli Burgess & Axelrod, 1973 1991-02-25 2005-12-06 Eccles, D.H. and E. Trewavas0 Malawian cichlid fishes: the classification of some haplochromine genera. Lake Fish Movies, West Germany. 334 p. (Ref. 267) Maréchal, C.0 Lethrinops. p. 233-240. In J. Daget, J.-P. Gosse, G.G. Teugels 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. 4. (Ref. 4985) Konings, A.0 Ad Konings's book of cichlids and all the other fishes of Lake Malawi. T.F.H. Publications, Inc. 495 p. (Ref. 5595) 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) Nsiku, E.0 Changes in the fisheries of Lake Malawi, 1976-1996: ecosystem-based analysis. University of British Columbia, Vancouver, Canada. 217 p. M.Sc. thesis. (Ref. 33486) Anonymous0 Fish collection database of the J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. (Ref. 36670) 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 American Museum of Natural History. American Museum of Natural History, Central Park West , NY 10024-5192, USA. (Ref. 41414) Snoeks, J. (ed.)0 The cichlid diversity of Lake Malawi/Nyasa/Niassa: identification, distribution and taxonomy. Cichlid Press, El Paso, USA, 360p. (Ref. 55463) Hanssens, M.0 The deep-water <i>Placidochromis</i> species. p. 104-197. In J. Snoeks (ed.) The cichlid diversity of Lake Malawi/Nyasa/Niassa: identification, distribution and taxonomy. Cichlid Press, El Paso, USA. (Ref. 55898) Chinese Academy of Fishery Sciences0 Chinese aquatic germplasm resources database. http://zzzy.fishinfo.cn (Ref. 58108) Beolens, B., M. Grayson and M. Watkins0 Eponym dictionary of Fishes. Dunbeath, Caithness (Scotland, UK): Whittles Publishing Limited, 1300 p. (Ref. 128868) FB-GeneralDescr-2307 http://purl.org/dc/dcmitype/Text text/html Crispina B. Binohlan 1991-02-25 00:00:00 2005-12-06 22:53:23 Biology http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=2307 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Threats Occurs usually in sandy and muddy bottoms at great depths and regularly taken below 75 m. Maréchal, C. 1991 Lethrinops. p. 233-240. In J. Daget, J.-P. Gosse, G.G. Teugels 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. 4. (Ref. 4985) FB-DiagnosticDescr-2307 http://purl.org/dc/dcmitype/Text text/html Tobias Musschoot 2005-09-30 15:35:59 2005-12-06 22:27:08 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=2307 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Habitat Diagnosis: head length 32.3-34.8 %SL; head width 34.5-38.4 % head length; snout length 35.1-39.0 % head length; lower jaw length 36.4-38.8 % head length; premaxillary pedicel 28.3-30.7 % head length; outer oral dentition mainly unicuspid; lachrymal 23.1-26.1 % head length; cheek depth 19.1-23.3 % head length; interorbital width 16.2-17.8 % head length; lower pharyngeal teeth small and slender; predorsal distance 34.6-37.5 %SL; body depth 31.1-36.0 %SL (Ref. 55898).Description: relatively elongate; dorsal and ventral body profiles evenly convex, symmetric about the horizontal; dorsal head profile slightly convex above eye, concave between eyes; dorsal profile of snout straight; snout long, pointed and angular; mouth small; maxilla extending to about half the distance between snout-tip and vertical at anterior margin of orbit; lower jaw large; mouth and lower jaw inclined at about 25-30° to horizontal; outer oral dentition mainly unicuspid; teeth long, slender and well-spaced; inner oral teeth unicuspid, long and slender; 2-3 series of scales on cheek; lower pharyngeal jaw relatively long and slender; all pharyngeal teeth fine, slender and close-set; gill-rakers on ceratobranchial of moderate size and pointed (Ref. 55898).Coloration: Preserved: Females and immature males: body pale brownish-yellow; 7-8 pale vertical bars below dorsal fin; bars visible only on dorsal half of body; dorsal fin grey with darker tips; grey oblique bands on soft dorsal; caudal fin with grey spots on inter-radial membranes; anal and pelvic fins pale with grey leading edge (Ref. 55898). Mature males: with dark vertical bands, extending to lower half of body; snout, chin and belly dark; dorsal fin grey with dark tips; soft dorsal dark grey without spots or stripes; caudal fin grey; anal fin dark grey; pelvic fins with black leading edge (Ref. 55898). Hanssens, M. 2004 The deep-water <i>Placidochromis</i> species. p. 104-197. In J. Snoeks (ed.) The cichlid diversity of Lake Malawi/Nyasa/Niassa: identification, distribution and taxonomy. Cichlid Press, El Paso, USA. (Ref. 55898) FB-Morphology-2307 http://purl.org/dc/dcmitype/Text text/html Tobias Musschoot 2005-09-30 15:35:59 2005-12-06 22:27:08 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=2307 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Distribution Dorsal spines (total): 16 - 17; Dorsal soft rays (total): 9 - 10; Analspines: 3; Analsoft rays: 8 - 9 Hanssens, M. 2004 The deep-water <i>Placidochromis</i> species. p. 104-197. In J. Snoeks (ed.) The cichlid diversity of Lake Malawi/Nyasa/Niassa: identification, distribution and taxonomy. Cichlid Press, El Paso, USA. (Ref. 55898) FB-Distribution-2307 http://purl.org/dc/dcmitype/Text text/html Crispina B. Binohlan 1991-02-25 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=2307 Africa: Endemic to the southern part of Lake Malawi. Maréchal, C. 1991 Lethrinops. p. 233-240. In J. Daget, J.-P. Gosse, G.G. Teugels 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. 4. (Ref. 4985) FB-Uses-2307 http://purl.org/dc/dcmitype/Text text/html Crispina B. Binohlan 1991-02-25 00:00:00 2005-12-06 22:53:23 Importance http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=2307 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Size fisheries: commercial; aquarium: commercial Konings, A. 1990 Ad Konings's book of cichlids and all the other fishes of Lake Malawi. T.F.H. Publications, Inc. 495 p. (Ref. 5595) Konings, A. 1990 Ad Konings's book of cichlids and all the other fishes of Lake Malawi. T.F.H. Publications, Inc. 495 p. (Ref. 5595) FB-Size-2307 http://purl.org/dc/dcmitype/Text text/html Crispina B. Binohlan 1991-02-25 00:00:00 2005-12-06 22:53:23 Max. size http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=2307 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Threats 14.9 cm SL (male/unsexed; (Ref. 55898)) Hanssens, M. 2004 The deep-water <i>Placidochromis</i> species. p. 104-197. In J. Snoeks (ed.) The cichlid diversity of Lake Malawi/Nyasa/Niassa: identification, distribution and taxonomy. Cichlid Press, El Paso, USA. (Ref. 55898) 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-2307 http://purl.org/dc/dcmitype/Text text/html Crispina B. Binohlan 1991-02-25 00:00:00 2005-12-06 22:53:23 Environment http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=2307 http://rs.tdwg.org/ontology/voc/SPMInfoItems#DiagnosticDescription demersal; freshwater; depth range 49 - 126 m (Ref. 55898) Hanssens, M. 2004 The deep-water <i>Placidochromis</i> species. p. 104-197. In J. Snoeks (ed.) The cichlid diversity of Lake Malawi/Nyasa/Niassa: identification, distribution and taxonomy. Cichlid Press, El Paso, USA. (Ref. 55898)