分類 / 名前
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
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; 海洋回遊性 (Ref. 51243); 深さの範囲 10 - ? m. Subtropical; 46°N - 51°S
Western Atlantic: Nova Scotia (Ref. 7251) to Florida, Gulf of Mexico, the Antilles (uncommon), and the southern Caribbean coast; also from the Orinoco delta to Argentina.
初回成熟時の長さ / サイズ / 重さ / 年齢
成熟: Lm 64.5, range 63 - ? cm
Max length : 170 cm TL オス/雌雄の選別がない; (Ref. 7251); common length : 50.0 cm TL オス/雌雄の選別がない; (Ref. 3702); 最大公表体重: 51.3 kg (Ref. 4699); 最大記録サイズ: 43 年 (Ref. 7188)
背面の脊椎 (合計) : 11; 背鰭 (合計) : 19 - 22; 肛門の骨: 2; 臀鰭: 5 - 7. Silvery grey to very dark, young with 4 or 5 black vertical bars on sides, disappearing with growth; pelvic and anal fins usually dark. Chin with 5 pores and 10 to 13 pairs of small barbels along median edges of lower jaws and subopercles, increasing in length posteriorly. Gas bladder with numerous lateral appendages interconnected in a complicated pattern in adult. Sagitta semicircular and moderately thin (Ref 51721).
Body shape (shape guide): fusiform / normal.
Found usually over sand and sandy mud bottoms in coastal waters, especially in areas with large river runoffs. Juveniles often enter estuaries. Feeds mainly on crustaceans, mollusks and fishes.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
水産業: 商業; ゲームフィッシュ: はい; 水族館・水槽: 公共の水族館
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
好ましい温度 (参照
123201): 10.8 - 27.6, mean 23.5 °C (based on 326 cells).
系統多様性指数 (参照
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00776 - 0.00934), b=3.07 (3.04 - 3.10), in cm total length, based on LWR estimates for this species (Ref.
93245).
栄養段階 (参照
69278): 3.4 ±0.5 se; based on diet studies.
回復力 (参照
120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (K=0.17; tm=3-5; tmax=43).
漁業の脆弱性 (Ref.
59153): High vulnerability (60 of 100).
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気候脆弱性 (Ref.
125649): Moderate to high vulnerability (54 of 100).
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栄養素 (Ref.
124155): Calcium = 38.1 [22.4, 72.3] mg/100g; Iron = 0.803 [0.422, 1.361] mg/100g; Protein = 19.7 [18.0, 21.7] %; Omega3 = 0.289 [0.175, 0.459] g/100g; Selenium = 37.5 [20.9, 71.1] μg/100g; VitaminA = 4.98 [1.88, 15.13] μg/100g; Zinc = 0.611 [0.443, 0.888] mg/100g (wet weight); based on
nutrient studies.
