FB-61991 http://www.fishbase.org/summary/SpeciesSummary.php?id=61991 Animalia Chordata Teleostei Siluriformes Trichomycteridae Trichomycterus Trichomycterus itacambirussu Triques & Vono, 2004 2004-11-25 2004-12-21 Ng, H.H.0 The Microsynodontis (Teleostei: Siluriformes: Mochokidae) of the lower Guinea region, west central Africa, with the description of eight new species. Zootaxa 531:1-52. (Ref. 52369) Fermon, Y., J. Friel, H.H. Ng and D. De Weirdt0 Mochokidae. p. 698-752. 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. 81251) FB-GeneralDescr-61997 http://purl.org/dc/dcmitype/Text text/html Gert Boden 2004-11-25 00:00:00 2024-03-26 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=61997 http://rs.tdwg.org/ontology/voc/SPMInfoItems#DiagnosticDescription Found in a forest stream with a sandy bottom (Ref. 52369). Ng, H.H. 2004 The Microsynodontis (Teleostei: Siluriformes: Mochokidae) of the lower Guinea region, west central Africa, with the description of eight new species. Zootaxa 531:1-52. (Ref. 52369) FB-DiagnosticDescr-61997 http://purl.org/dc/dcmitype/Text text/html Gert Boden 2004-11-25 00:00:00 2017-09-27 19:57:38 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=61997 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Distribution Diagnosis: supracleithral process reaching to vertical through posterior-most tip of nuchal shield; eye large, its diameter 21.0-25.0% HL; adipose fin moderately long, its base 22.0-28.2% SL; body without numerous dark brown elongate spots; caudal peduncle slender, its depth 8.1-9.8% SL; caudal fin rounded; body slender and elongate; snout length 34.7-47.6% SL; both sexes with short (< 0.1 mm) tubercles on dorsal and lateral surfaces of head; dorsal spine curved; anterior edge of pectoral spine with antrorse serrations (Ref. 81251).Description: body compressed; predorsal profile gently convex; postdorsal body sloping gently ventrally; head depressed and broad, acutely rounded when viewed laterally and with rounded snout margin when viewed from above; eye large and ovoid, horizontal axis longest; mouth inferior and crescent-shaped; lips plicate; maxillary barbel long and slender, extending to just beyond base of last pectoral-fin ray; inner mandibular-barbel origin close to midline, extending to base of pectoral spine and with 2 short, thin branches on anterior half and 3-5 long, thin branches on posterior half; outer mandibular barbel originates posterolateral of inner mandibular barbel, extending to middle of pectoral-fin base and with 3-5 long, thin branches; gill openings narrow, extending from immediately ventral to posttemporal to immediately ventral to base of pectoral spine; supracleithral process thin and longer than in other Microsynodontis species; dorsal fin located at anterior third of body, with convex margin; dorsal-fin spine long, stout and slightly curved, smooth on both anterior and posterior margins; adipose fin moderately long; margin slightly convex for entire length and posterior end deeply incised; caudal fin rounded, with i,6,6,i principal rays; anal-fin base located ventral to posterior half of adipose fin, with iii-iv,7-8 rays and convex margin; pelvic-fin origin at vertical ventral to posterior end of dorsal-fin base, with slightly convex margin; pectoral-fin spine slightly curved and stout; anterior spine margin with 22-28 small serrations along entire length of spine, serrations antrorse on distal two-thirds and anteriorly directed on proximal third; posterior spine margin with 8-13 strong serrations along entire length; lateral line complete and midlateral (Ref. 52369).Coloration: dorsal and lateral surfaces of head and body dark chocolate brown, fading to light brown on belly in preserved specimens; snout with a series of light yellow spots delineating anterior and posterior nares; cheek region with 1-2 light yellow spots immediately ventral to orbit; light yellow band encircling nape at supraoccipital; dorsal third of body with series of 4 light yellow vertical bar-shaped marks extending to lateral midline of body: 1st at middle of dorsal-fin base, 2nd at adipose-fin origin, 3rd at middle of adipose-fin origin and last on caudal peduncle immediately posterior to adipose fin; ventral third of flanks with a longitudinal series of 4-7 light yellow spots or vertical bar-shaped marks; dorsal fin with dark chocolate brown base and 1-2 rows of elongate spots forming longitudinal dark chocolate brown rows; pectoral, pelvic and anal fins with hyaline bases and similarly marked; caudal fin hyaline, with elongate brown spots forming 2-3 irregular columns (Ref. 52369, 81251). Ng, H.H. 2004 The Microsynodontis (Teleostei: Siluriformes: Mochokidae) of the lower Guinea region, west central Africa, with the description of eight new species. Zootaxa 531:1-52. (Ref. 52369) FB-Morphology-61997 http://purl.org/dc/dcmitype/Text text/html Gert Boden 2004-11-25 00:00:00 2017-09-27 19:57:38 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=61997 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Uses Dorsal spines (total): 2; Dorsal soft rays (total): 6 - 7; Analspines: 0; Analsoft rays: 10 - 12; Vertebrae: 35 - 37 Ng, H.H. 2004 The Microsynodontis (Teleostei: Siluriformes: Mochokidae) of the lower Guinea region, west central Africa, with the description of eight new species. Zootaxa 531:1-52. (Ref. 52369) FB-Distribution-61997 http://purl.org/dc/dcmitype/Text text/html Gert Boden 2004-11-25 00:00:00 2017-09-27 20:00:44 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=61997 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Size Africa: only known from the lower Ogowe River drainage in Gabon (Ref. 52369, 81251). Ng, H.H. 2004 The Microsynodontis (Teleostei: Siluriformes: Mochokidae) of the lower Guinea region, west central Africa, with the description of eight new species. Zootaxa 531:1-52. (Ref. 52369) FB-TrophicStrategy-61997 http://purl.org/dc/dcmitype/Text text/html Gert Boden 2004-11-25 00:00:00 2004-11-25 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public vigilis http://rs.tdwg.org/ontology/voc/SPMInfoItems#Threats Found in a forest stream with a sandy bottom (Ref. 52369). Ng, H.H. 2004 The Microsynodontis (Teleostei: Siluriformes: Mochokidae) of the lower Guinea region, west central Africa, with the description of eight new species. Zootaxa 531:1-52. (Ref. 52369) FB-Size-61997 http://purl.org/dc/dcmitype/Text text/html Gert Boden 2004-11-25 00:00:00 2024-03-26 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=61997 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Habitat 6.2 cm SL (male/unsexed; (Ref. 52369)) Ng, H.H. 2004 The Microsynodontis (Teleostei: Siluriformes: Mochokidae) of the lower Guinea region, west central Africa, with the description of eight new species. Zootaxa 531:1-52. (Ref. 52369) 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#DiagnosticDescription 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-61997 http://purl.org/dc/dcmitype/Text text/html Gert Boden 2004-11-25 00:00:00 2024-03-26 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=61997 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Distribution demersal; freshwater; pH range: 5.5 - 5.5