環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海; 汽水性の 底生の; 深さの範囲 10 - 70 m (Ref. 10799). Tropical; 21°N - 18°S, 27°W - 14°E (Ref. 57343)
Eastern Atlantic: Senegal to Angola (Ref. 57402). Also reported from Mauritania (Ref. 10799) and Cape Verde (Ref. 27000). Reported from Cuba based on a single specimen; no other specimens taken from the western Atlantic (Ref. 57343).
初回成熟時の長さ / サイズ / 重さ / 年齢
成熟: Lm 15.0  range ? - 17 cm
Max length : 35.0 cm TL オス/雌雄の選別がない; (Ref. 57402); common length : 25.0 cm TL オス/雌雄の選別がない; (Ref. 3659)
背面の脊椎 (合計) : 9; 背鰭 (合計) : 14 - 18; 肛門の骨: 3; 臀鰭: 28 - 30. Diagnosis: detached pectoral filaments very long, exceeding body length; base of anal fin much longer than base of 2nd dorsal fin; body moderately elongate and compressed, its height comprised 3.0-3.4 in standard length; snout very short, blunt and prominent; mouth inferior; maxillary bone strongly widened at its end, reaching largely past eye; 2 widely separated dorsal fins, 1st with 8 flexible spines, 2nd with 1 spine and 14-18 soft rays; anal fin base much longer than 2nd dorsal fin base; pectoral fin inserted very low on body; threadlike filaments, 5 in number, 4 of them longer than total length of fish; scales ctenoid; head scaly (Ref. 57402).
Coloration: body uniformly silvery, greyish on back, shading to whitish ventrally; fins tinged with yellow (Ref. 57402).
Body shape (shape guide): fusiform / normal.
Adults occur over sandy (Ref. 2683) and muddy bottoms in shallow waters (Ref. 57343), frequently in brackish waters (Ref. 57343, 57402) and estuaries (Ref. 57402). Carnivorous (Ref. 57402), They feed on fish and shrimps (Ref. 28587).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
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のレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
脆弱 (VU) (A2bd); Date assessed: 15 July 2014
人間の用途
水産業: 高い商業の
用具
特記事項
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照 82804) |
PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00398 (0.00235 - 0.00675), b=3.13 (2.98 - 3.28), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
栄養段階 (参照 69278) |
3.6 ±0.57 se; based on food items. |
回復力 (参照 120179) |
高い, 15か月以下の倍増期間の最小個体群 (K=0.72). |
漁業の脆弱性 (Ref. 59153) |
Low to moderate vulnerability (31 of 100). 🛈 |
気候脆弱性 (Ref. 125649) |
High to very high vulnerability (75 of 100). 🛈 |
価格帯 (Ref. 80766) |
High.
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栄養素 (Ref. 124155) |
Calcium = 194 [95, 369] mg/100g; Iron = 1.34 [0.67, 2.39] mg/100g; Protein = 19.5 [18.0, 21.1] %; Omega3 = 0.274 [0.169, 0.428] g/100g; Selenium = 64.3 [33.4, 126.3] μg/100g; VitaminA = 11.4 [5.1, 25.3] μg/100g; Zinc = 1.44 [1.00, 2.11] mg/100g (wet weight); |