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Lates niloticus:   (click for more)

Lates niloticus:   (click for more)

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  • Labrus niloticus  Linnaeus, 1758: 286 (original description).
  • Lates nobilis  Cuvier, 1828: 96.
  • Lates niloticus var. macrolepidota  Pellegrin, 1922: 76.
  • Lates albertianus  Worthington, 1929: 437.
  • Lates niloticus rudolfianus  Worthington, 1932: 133.
    FAO Names
    En - Nile perch, Fr - Perche du Nil, Sp - Perca del Nilo.
    3Alpha Code: NIP     Taxonomic Code: 1700116707
    Diagnostic Features
    Body elongate, compressed, deep. Head with concave snout profiles; opercule with one spine. Branchiostegal 7 rays. Lateral line extends onto caudal peduncle, reaching posterior margin of fin. Pelvic axis with scaly process.  Dorsal fin bipartite with 7 or 8 spines on the first part; 1 spine and 8 to 11 soft rays on the second. Anal fin with 3 spines and 6 to 9 soft rays. Caudal fin rounded. 
    Geographical Distribution

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    Inland waters. Widespread throughout the Ethiopian Region of Africa, occurring commonly in all major river basins including the Nile, Chad, Senegal, Volta and Zaire. Present in the brackish waters of Lake Mariout, near Alexandria. Exists in Lakes Albert, Victoria, Rudolph, Nyanza, and Tana. Oubanguhi River at Bangui, French Congo. Several countries report adverse ecological impact after introduction. Also introduced Central north america.
    Habitat and Biology
    Inhabits channels, lakes and irrigation canals.Adults inhabit deep water, while juvenile shallow water.Feeds on fish especially clupeids and Alestes; larger crustaceans and insects. Juveniles are planktivorous.Two phase growth curves and their underlying ecological and physiological causes are presented and discussed in Soriano et al., (1990).
    Size To 200 cm and maximum weight: 200 kg.
    Interest to Fisheries
    Highly commercial; aquaculture and gamefish. Caught maintly with bottom trawls, handlines, seines, gillnets, and traps. The total catch reported for this species to FAO for 1999 was 306 282 t. The countries with the largest catches were Kenya (103 014 t) and Tanzania, United Rep. of (100 000 t).
    Sold fresh and frozen (marketed mostly fresh); consumed steamed, pan-fried, broiled and baked.
    Local Names
    Arabic : Am'kal ,  Am'kaltâya ,  Amukal .
    English : Nile perch .
    Norwegian : Nilabbor .
    Swahili : Sangala ,  Mkombozi .
    Swedish : Nilabborre .
    Wolof : Diène wekh .
    Froese, R. and D. Pauly. Editors. 2003. FishBase. World Wide Web electronic publication. www.fishbase.org
    Soriano, M.L., J. Moreau, J.M. Hoenig & D. Pauly - 1992 New functions for the analysis of two-phase growth of juvenile and adult fishes, with application to Nile perch. Trans. Am. Fish. Soc. 121: 486-493.
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