Bagrus docmak (Forsskål, 1775) Recherche rapide

Attributs

  • DISTRIBUTION: Lien Faunafri
  • Chromosomes : Klinkhardt et al., 1995 .
  • Colour pattern : Risch, 1992a | Risch, 2003 .
  • Common names : Ebiti (Nupe: Nigeria), Omukora (Nyankore: Uganda), Semutundu (Nyoro: Uganda), Semutundu (Ruuli: Uganda), Adwar (Shilluk: Sudan), Silanne (Soninké: Senegal), Kibogobogo / Mbofu / Mpono / Semutundu / Sew / Sewu (Swahili: Tanzania, Kenya, Congo Dem Rp), Bandjaho (Tupuri: Cameroon), Loruk (Turkana: Kenya), Wallouce (Wolof: Senegal), Abagun / Iko (Yoruba: Nigeria), Yerengirimo (Zande: Sudan) | Lisi (El Molo: Kenya), Yalefo (Ewe: Ghana), Niilimonni / Niilinjuovamonni (Finnish), Lazeou / Lazio / Safdu baleeru (Fulfulde, Pulaar: Cameroon), Yalefo (Ga: Ghana), Ganda (Ganda: Uganda), Nilwels / Schweinewels (German), Oreko (Gungu: Uganda), Dinko / Doya / Doza / Ragon ruwa / Shambami (Hausa: Nigeria), Aboro / Asa-oboro (Ijo: Nigeria), Ndarka (Jukun Takum: Cameroon), Samufin (Jula: Burkina Faso), Damalo (Kanuri: Cameroon) | Mboli (Kenyi: Uganda), Daï / De / Deïng (Kim: Chad), Omukocho (Konzo: Uganda), Mésigélé / Woulo segayo (Kotoko: Cameroon), Obanga (Lango: Uganda), Seu (Luo: Kenya), Waza (Mambai: Cameroon), Melagenna (Masana: Cameroon), Sihin sou (Mundang: Cameroon), Malou (Musgu: Cameroon), Kuilsiuugu (Mooré: Burkina Faso), Dushko (Nubian: Sudan), Lam (Nuer: Sudan) | Yalefo (Adangme: Ghana), Fergus (Amharic: Ethiopia), Ab chanap / Aboushanap / Abu shanad / Bayad / Kabaroce / Kabarus (Arabic), Bawe / Wawe (Bata: Cameroon), Semutundu / Ssemutundu (Chiga: Uganda), Male belly up / Cat-fish / Catfish / Semutundu / Silver catfish / Sudan catfish (English), Bobo / Njoka / Nzarou (Dama: Cameroon), Adwar / Alau (Dinka: Sudan) .
  • Condition / length-weight relationship : Anja et al., 2009 | El-Drawany & Einagar, 2015 | Ikongbeh et al., 2012 | Yongo & Agembe, 2021 .
  • Current distribution known : widely distributed throughout Chad, Niger, Volta, Senegal, Mono, Oueme, Cross and Sanaga Rivers, as well as the Rift Valley Lakes Edward, George, Albert, Victoria and Tanganyika, but not Lake Kivu. Widely distributed in Nile system. In the Lukuga River (Lake Tanganyika outflow), known up to the Kisimba-Kilia rapids .
  • Food habits / trophic level : feed on insects, crustaceans, mollusks and fish. Some debris and vegetable matter may also be ingested .
  • Food habits / trophic level_references : Adebisi, 1981 | Anja & Mengistou, 2001 | Blache et al., 1964 | El-Drawany & Einagar, 2015 | Hulot, 1950 b | Khallaf & Authman, 1992 | Okach & Dadzie, 1988 | Pekkola, 1919 | Poll, 1953 a | Sandon & Amin al Tayib, 1953 | Seegers, 2008 | Yongo & Agembe, 2021 .
  • Growth / growth performance : Mekkawy, 1997 .
  • Habitat / home range : inhabit lakes, swamps and rivers. Widespread in both shallow and deep water. Probably associated with rocky bottoms/coarse substrates. Mostly active during the night and the twilight hours. Juveniles may frequent exposed rocky shores .
  • Morphology / anatomy : Gosline, 1975 | Jayaram, 1968 | Lundberg & Baskin, 1965 | Risch, 1992a | Risch, 2003 .
  • Osteology : Diogo et al., 1999 .
  • Parasites : Cunnington, 1920 | Khalil & Thurston, 1973 | Mbahinzireki, 1980 | Paperna, 1982 | Paperna, 1996 | Petr & Paperna, 1979 | Thurston, 1970 | Ukoli, 1969 .
  • Reproduction : the reproduction period in Lake Victoria is from September to February, although some reproduction occurs at lower levels throughout the year. Mature ovaries are seen in summer and there is a simple long breeding season, extending from March to September. In Lake Nasser, spawning nests were seen in shallow waters in sandy bottom or rocks .
  • Reproduction_references : Anja et al., 2009 | Breder & Rosen, 1966 | Corbet, 1961 | Dadzie & Ochieng-Okach, 1989 | El-Sedfy & El-Bolock, 1987 | Kamel, 1990 | Parenzan, 1939 | Rinne & Wanjala, 1983 | Whitehead, 1959 .
  • Size : 1270 mm, 35.0 kg .
  • Types :
    • Bagrus docmac niger Daget, 1954: 244, fig. 89. Type locality: "Bamako", Niger River. Holotype MNHN n° 1954-4; paratypes (3) MNHN n° 1960-465 to 466.
    • Bagrus koenigi Pietschmann, 1932: 92, fig. 1. Type locality: "In Oberägypten im Nil". Holotype Alexander Koenig Museum Bonn.
    • Silurus docmak Forskäl, 1775: 65. Type locality: "in Nilo inferiori ad Deltam". Type lost.
  • Use and trade : second most important food species in Lake Edward, Congo .