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Lates niloticus
Picture by Admassu, D.
Pictures | Stamps, coins, misc. | グーグルの画像
Picture by Admassu, D.
Ghana country information
Common names:
Dzo, Dzo, Leshie
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: highly commercial | Ref:
Aquaculture: likely future use | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Widely distributed in the Volta basin (Ref. 30488). Importance to aquaculture and fisheries provided by H. Dankwa, pers. comm. 06/05. Also Ref. 34290.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/gh.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Dankwa, H.R., E.K. Abban and G.G. Teugels, 1999
National Database:
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: highly commercial | Ref:
Aquaculture: likely future use | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Widely distributed in the Volta basin (Ref. 30488). Importance to aquaculture and fisheries provided by H. Dankwa, pers. comm. 06/05. Also Ref. 34290.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/gh.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Dankwa, H.R., E.K. Abban and G.G. Teugels, 1999
National Database:
Common names from other countries
分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
> Carangaria/misc (Various families in series Carangaria) > Latidae (Lates perches)
Etymology: Lates: Latin, lateo, latere = to be hidden.
More on author: Linnaeus.
Etymology: Lates: Latin, lateo, latere = to be hidden.
More on author: Linnaeus.
Environment: milieu / climate zone / depth range / distribution range 生態学
分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri
Africa: widespread throughout the Nilo-Sudan region of Africa, occurring commonly in all major river basins including Senegal, Niger, Volta, Chad (Ref. 81285, 81652) and Nile (Ref. 3636, 28714, 81652). 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 / サイズ / 重さ / 年齢
Maturity: Lm 75.7, range 53 - 85 cm
Max length : 200 cm TL オス/雌雄の選別がない; (Ref. 58490); common length : 100.0 cm SL オス/雌雄の選別がない; (Ref. 34290); 最大公表体重: 200.0 kg (Ref. 3900)
Max length : 200 cm TL オス/雌雄の選別がない; (Ref. 58490); common length : 100.0 cm SL オス/雌雄の選別がない; (Ref. 34290); 最大公表体重: 200.0 kg (Ref. 3900)
簡単な記述 検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 7 - 8; 背鰭 (合計) : 8 - 14; 肛門の骨: 3; 臀鰭: 7 - 9. Diagnosis: mouth large and protrusible (Ref. 28714, 81285, 81652), lower jaw (slightly) prominent (Ref. 81285, 81652). Numerous villiform teeth present in jaws, on palate (Ref. 81285, 81652) and vomer (Ref. 81652). Preorbital/lachrymal (Ref. 4967, 81652) and preopercle (Ref. 4967, 81285, 81652) denticulate. Strong, prominent opercular spine present (Ref. 4967, 81285, 81652) on free edge of opercle, and a smaller one dorsal to it (Ref. 81652). Dorsal fin divided by a deep notch into anterior spiny and posterior soft-rayed sections; anal fin with 3 spines; pelvics with a spine and situated close to the pectorals (Ref. 28714). Caudal fin rounded (Ref. 4967, 81285, 81652). 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, 81652). Fins greyish; interior of eye conspicuously yellowish (Ref. 81285). Juveniles brownish with lighter marbling (Ref. 81285) on head and flanks (Ref. 81652).
Inhabits channels, lakes and irrigation canals (Ref. 28714, 81652). Adults inhabit deep water, while juveniles are found in shallow water (Ref. 81652). 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 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
主な参考文献
Upload your references | 参考文献 | コーディネーター | 協力者
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)
人間に対する脅威
Potential pest
Human uses
水産業: 高い商業の; 水産養殖: 商業; ゲームフィッシュ: はい
FAO(Aquaculture systems: 代謝; 水産業: 代謝, 種の外形; publication : search) | FishSource |
より多くの情報
Population dynamics
成長のパラメーター
Max. ages / sizes
Length-weight rel.
Length-length rel.
体長組成
Mass conversion
補充
豊度
成長のパラメーター
Max. ages / sizes
Length-weight rel.
Length-length rel.
体長組成
Mass conversion
補充
豊度
Anatomy
カマ
Brain
Otolith
カマ
Brain
Otolith
Physiology
Body composition
Nutrients
酸素消費
水泳形態
泳ぐ速さ
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Body composition
Nutrients
酸素消費
水泳形態
泳ぐ速さ
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
用具
E-book | 野外観察図鑑 | Length-frequency wizard | 生活史の基盤ツール | 目的のマップ | Classification Tree
| Catch-MSY |
特記事項
XMLをダウンロードして下さい
インターネットの情報源
Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes(部類, 種) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(ゲノム, ヌクレオチド) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | OsteoBase(skull, spine) | Otolith Atlas of Taiwan Fishes | 公共の水族館 | PubMed | Reef Life Survey | Scirus | SeaLifeBase | 生命の木 | Wikipedia(行く, 検索する) | World Records Freshwater Fishing | 動物に関する記録
Estimates based on models
Phylogenetic diversity index (Ref. 82804): PD50 = 0.5006 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00765 - 0.01249), b=3.00 (2.94 - 3.06), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
栄養段階 (Ref. 69278): 4.5 ±0.8 se; based on diet studies.
回復力 (Ref. 120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (K=0.17-0.19; tm=2-3).
Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (47 of 100).