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Carangaria/misc (Various families in series Carangaria)
鱸形目 (Various families in series Carangaria) >
Polynemidae (Threadfins)
馬鮁科 (Threadfins)
Etymology: Polydactylus: Greek, poly = a lot of + greek, daktylos = finger (Ref. 45335).
More on author: Cuvier.
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
海洋; 淡水; 半鹹淡水 居於水底的; 深度上下限 15 - 55 m (Ref. 10799). 熱帶; 22°N - 5°S, 26°W - 13°E (Ref. 57343)
Eastern Atlantic: Senegal to Angola (Ref. 57402). Also reported from Mauritania (Ref. 55783).
東大西洋: 塞內加爾到剛果。
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 200 cm TL 雄魚/尚未辨別雌雄; (Ref. 57402); common length : 150 cm TL 雄魚/尚未辨別雌雄; (Ref. 3659); 最大體重: 75.0 kg (Ref. 7386)
背棘 (總數) : 9; 背的軟條 (總數) : 12 - 13; 臀棘: 3; 臀鰭軟條: 11 - 12. Diagnosis: pectoral fin with 4 threadlike filaments (Ref. 57402, 81658). Pectoral fin inserted very low on body, generally somewhat longer than upper part of fin (Ref. 57402).
Body shape (shape guide): fusiform / normal.
Occurs in shallow coastal waters, over sandy and muddy bottoms, sometimes in brackish habitats (Ref. 57343, 81658). Enters estuaries (Ref. 57402), occasionally caught in fresh water (Ref. 57402, 81658). Very large specimens are only found in marine waters (Ref. 81658). Feeds on crustaceans and fishes (Ref. 10799, 81658). Flesh fairly tasteful (Ref. 57402).
出現於淺水域, 在半鹹淡的棲息地 (河口與潟湖) 在泥沙底上面.(參考文獻 4340) 吃甲殼動物和魚類。 (參考文獻 10799)
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
東大西洋: 塞內加爾到剛果。
Motomura, H., 2004. Threadfins of the world (Family Polynemidae). An annotated and illustrated catalogue of polynemid species known to date. FAO Spec. Cat. Fish. Purp. Rome: FAO. 3:117 p. (Ref. 57343)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
無危 (LC) ; Date assessed: 15 July 2014
人類使用
漁業: 商業性; 游釣魚種: 是的
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基於模型的估計
系統發育多樣性指數 (參考文獻 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00676 (0.00529 - 0.00863), b=3.10 (3.04 - 3.16), in cm total length, based on LWR estimates for this species (Ref. 93245). |
營養階層 (參考文獻 69278) |
4.0 ±0.66 se; based on food items. |
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Generation time |
2.7 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies. |
回復力 (參考文獻 120179) |
中等的, 族群倍增時間最少 1.4 - 4.4年 (K=0.34-0.41; assuming tm=3-4). |
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Rate of population increase |
Prior r = 0.57, 95% CL = 0.37 - 0.85, Based on 3 data-limited stock assessments. |
釣魚的脆弱性 (Ref. 59153) |
Moderate vulnerability (44 of 100). 🛈 |
氣候脆弱性 (Ref. 125649) |
Very high vulnerability (87 of 100). 🛈 |
價格種類 (Ref. 80766) |
High.
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營養素 (Ref. 124155) |
Calcium = 59.4 [32.4, 109.8] mg/100g; Iron = 0.818 [0.418, 1.451] mg/100g; Protein = 20.1 [18.5, 21.7] %; Omega3 = 0.213 [0.132, 0.349] g/100g; Selenium = 79.1 [38.5, 162.9] μg/100g; VitaminA = 6.04 [2.46, 14.30] μg/100g; Zinc = 0.742 [0.514, 1.115] mg/100g (wet weight); |