Elops lacerta, West African ladyfish : fisheries, gamefish

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Elops lacerta Valenciennes 1847

West African ladyfish
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Elops lacerta   AquaMaps   Data sources: GBIF OBIS
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Image of Elops lacerta (West African ladyfish)
Elops lacerta
Picture by FAO

分類 / Names 俗名 | 同種異名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopteri > Elopiformes (Tarpons and tenpounders) 海鰱目 (Tarpons and tenpounders) > Elopidae (Tenpounders) 海鰱科 (Tenpounders)
Etymology: Elops: Greek, ellops = a kind of serpent (Ref. 45335).  More on author: Valenciennes.

Environment: milieu / climate zone / depth range / distribution range 生態學

; 海洋; 淡水; 半鹹淡水; 深度上下限 1 - 50 m (Ref. 26999).   熱帶; 21°N - 29°S, 20°W - 15°E

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Eastern Atlantic: coastal waters of West Africa from Mauritania to Angola or Namibia (Ref. 4445, 81265, 81629). Sometimes it enters freshwater, like in Cross River and Kouilou-Niari River (Ref. 81629). It is often confused with Elops senegalensis (Ref. 81629).
東大西洋: 塞內加爾到安哥拉。 報告出現到至少 23個 °S 。 (參考文獻 3968) 時常與 塞內加爾海鰱〔Elops senegalensis〕 互相混淆。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 100.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 5377); common length : 60.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 2683)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 0; 臀棘 0. Diagnosis: Elops lacerta is characterized by 17-19 gill-rakers on lower limb of first gill arch and small scales, those in lateral line numbering 72 to 83 and ornamented with a small, unbranched, tubule (Ref. 2844, 81265, 81629).
側線鱗片以非分枝的小管裝飾了。 灰色背面, 銀色的平滑側邊; 鰭上色了黃色。

生物學特性     字彙 (例如 epibenthic)

Elops lacerta lives in shallow coastal waters over sandy/muddy bottoms, occasionally entering brackish waters and the lower reaches of rivers; from inshore and some way up tidal rivers to edge of shelf (Ref. 4445, 81265, 81629). The reproduction takes place in the sea (Ref. 81265). It feeds primarily on small fishes, mainly clupeids, crustaceans and molluscs; large specimens also feed on insects (Ref. 81629).

生活於沿岸淺水區具有沙的-泥質底部。 偶然地進入半鹹淡水域與河的下游。 捕食魚與蝦。 (參考文獻 28587) 在海上產卵。

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

東大西洋: 塞內加爾到安哥拉。 報告出現到至少 23個 °S 。 (參考文獻 3968) 時常與 塞內加爾海鰱〔Elops senegalensis〕 互相混淆。

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Whitehead, P.J.P., 1990. Elopidae. p. 118-119. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 4445)

IUCN 瀕危狀態 (Ref. 123251)

  無危 (LC) ; Date assessed: 16 February 2009

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





人類使用

漁業: 商業性; 游釣魚種: 是的
FAO(漁業: 產生; publication : search) | FishSource | 周邊海洋

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Estimates based on models

Preferred temperature (Ref. 115969): 23.8 - 28, mean 26.7 °C (based on 68 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5176   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00646 (0.00395 - 0.01056), b=3.00 (2.86 - 3.14), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
營養階層 (Ref. 69278):  4.2   ±0.75 se; based on food items.
Generation time: 1.5 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
回復力 (Ref. 120179):  中等的, 族群倍增時間最少 1.4 - 4.4年 (Assuming tm=2-3; K=0.7 for juveniles).
Prior r = 0.57, 95% CL = 0.37 - 0.85, Based on 1 stock assessment.
瀕危性 (Ref. 59153):  Low to moderate vulnerability (32 of 100) .
價格種類 (Ref. 80766):   High.