分類 / 名稱
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Teleostei >
Carangaria/misc (Various families in series Carangaria)
鱸形目 (Various families in series Carangaria) >
Polynemidae (Threadfins)
馬鮁科 (Threadfins)
Etymology: Leptomelanosoma: Greek, leptos = thin + Greek, melanos = black + Greek, soma = body.
More on author: Shaw.
環境： 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
海洋; 半鹹淡水 居於水底的; 非產卵性溯降河的 (Ref. 51243); 深度上下限 55 - 100 m (Ref. 9685). 熱帶; 26°N - 10°S, 62°E - 152°E (Ref. 57343)
Indo-West Pacific: known with certainty from Pakistan to Papua New Guinea. Reports from the east coast of Africa need to be verified (Ref. 57343).
印度-西太平洋: 廣泛地分佈, 從東非到新幾內亞南部與澳洲北部。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 142 cm TL 雄魚/尚未辨別雌雄; (Ref. 3479); common length : 80.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 3479)
背棘 (總數) : 9; 背的軟條 (總數) : 13 - 14; 臀棘: 2 - 3; 臀鰭軟條: 11 - 12. Golden olive in color, darker above, with faint dusky lines along body; fins yellowish (Ref. 5492).
Body shape (shape guide): elongated.
金的橄欖色顏色, 背面顏色較深, 有模糊的暗色線沿著身體; 鰭淡黃色的.(參考文獻 5492)
Occurs over shallow muddy and sandy bottoms of the continental shelf), mainly near estuaries and sometimes entering rivers (Ref. 57343). Feeds mainly on small benthic crustaceans, especially prawns and crabs, and small fishes. Percentage of fishes eaten increases with size. Utilized fresh, dried or salted and frozen; eaten steamed, pan-fried, broiled and baked (Ref. 9987).
主要生存在大陸棚的水淺泥地與沙地底部上,偶然地進入河。 報告不出現在半淡鹹水.(參考文獻 9987) 主要吃小型底棲的甲殼動物, 尤其蝦與螃蟹 , 與小魚。 被吃的百分比的魚隨著大小增加。 生鮮使用, 乾燥或鹽醃與冷凍; 清蒸, 油鍋炸的﹐火烤的與燒烤的.(參考文獻 9987)
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
印度-西太平洋: 廣泛地分佈, 從東非到新幾內亞南部與澳洲北部。
Motomura, H. and Y. Iwatsuki, 2001. A new genus, Leptomelanosoma, for the polynemid fish previously known as Polydactylus indicus (Shaw, 1804) and a redescription of the species. Ichthyol. Res. 48(1):13-21. (Ref. 45350)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
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
首選溫度 (參考文獻
123201): 23.7 - 28.1, mean 26.3 °C (based on 82 cells).
系統發育多樣性指數 (參考文獻
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00278 - 0.00823), b=3.09 (2.93 - 3.25), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (參考文獻
69278): 3.9 ±0.67 se; based on food items.
Generation time: 5.8 ( na - na) years. Estimated as median ln(3)/K based on 1
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=0.19).
釣魚的脆弱性 (Ref.
59153): High vulnerability (60 of 100).
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營養素 (Ref.
124155): Calcium = 44.4 [16.8, 164.2] mg/100g; Iron = 0.51 [0.19, 1.46] mg/100g; Protein = 19.8 [18.0, 21.4] %; Omega3 = 0.143 [0.081, 0.241] g/100g; Selenium = 83.8 [45.1, 159.8] μg/100g; VitaminA = 9.34 [4.42, 19.15] μg/100g; Zinc = 1.37 [0.51, 2.69] mg/100g (wet weight); based on
nutrient studies.
