分类 / Names
俗名 | 同种异名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii
辐鳍鱼纲 (条鳍鱼) >
Perciformes (Perch-likes) >
Latidae (Lates perches)
Etymology: Lates: Latin, lateo, latere = to be hidden.
环境 / 气候 / 范围
生态学
; 淡水 居于水底的; 河川洄游 (Ref. 51243); 深度上下限 10 - 60 m (Ref. 34290). , preferred ?; 27°N - 7°S
Africa: widespread throughout the Nilo-Sudan region of Africa, occurring commonly in all major river basins including the Senegal, Niger, Volta, Chad (Ref. 81285) and Nile (Ref. 3636). Found almost everywhere in West Africa, except in Gambia (Ref. 81285). Also present in the Congo basin and lakes Albert, Turkana/Rudolph and Tana (Ref. 3636). Several countries report adverse ecological impact after introduction.
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 74.3, range 53 - 85 cm
Max length : 200 cm TL 雄鱼/尚未辨别雌雄; (Ref. 58490); common length : 100.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 34290); 最大体重: 200.0 kg (Ref. 3900)
背棘 (总数): 7 - 8; 背的软条 (总数): 8-14. Diagnosis: mouth large and protrusible, lower jaw prominent; numerous villiform teeth present in jaws and on palate (Ref. 81285). Preorbital (Ref. 4967) and preopercle denticulate (Ref. 4967, 81285). A strong opercular spine present (Ref. 4967, 81285). Caudal fin rounded (Ref. 4967, 81285). Scales ctenoid, 54-74 along lateral line, followed by 6-8 pored scales on caudal-fin base; ceratobranchial (lower limb) of first gill arch with 12-14 gill rakers (Ref. 81285).
Coloration: body uniformly silvery (Ref. 81285) or dark greyish-blue dorsally, greyish-silver on flank and ventrally (Ref. 34290). Fins greyish; interior of eye conspicuously yellowish; juveniles brownish with lighter marbling (Ref. 81285).
Inhabits channels, lakes and irrigation canals. Adults inhabit deep water, while juveniles are found in shallow water. Feeds on fish especially clupeids and Alestes (Ref. 13851); smaller fish also feed on larger crustaceans and insects. Juveniles are planktivorous (Ref. 28714). Threatened due to over harvesting (Ref. 58490). No length type given but assumed to be in TL. Maximum reported size of 180.0 cm corresponding to a weight of 164 kg in Lake Albert (Ref. 81285).
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Teugels, G.G., C. Lévêque, D. Paugy and K. Traoré, 1988. État des connaissances sur la faune ichtyologique des bassins côtiers de Côte d'Ivoire et de l'ouest du Ghana. Rev. Hydrobiol. Trop. 21(3):221-237. (Ref. 272)
CITES (Ref. 94142)
Not Evaluated
人类利用
渔业: 高经济性; 养殖: 商业性; 游钓鱼种: 是的
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