分類 / Names
Common names from other countries
主要參考資料
大小 / 重量 / 年齡
Max length : 70.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 4710); common length : 35.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 5504); 最大體重: 3.0 kg (Ref. 5504); 最大年齡: 26 年 (Ref. 32766)
Length at first maturity
Lm 30.3  range ? - ? cm
環境
; 海洋; 半鹹淡水 居於水底的; 海洋洄游的 (Ref. 51243); 深度上下限 0 - 150 m (Ref. 35388), usually 10 - 60 m (Ref. 6302)
氣候 / 範圍
8°C - 24°C (Ref. 4944), preferred 16°C (Ref. 107945); 67°N - 17°N, 17°W - 37°E (Ref. 54889)
分布
Eastern Atlantic: southward from Trondheim Fjord (including North Sea and western Baltic) and Mediterranean Sea (including Sea of Marmara, Bosporus and southwestern Black Sea) (Ref. 4710). Elsewhere, southward to Senegal (Ref. 4710), including Cape Verde (Ref. 5304).
國家 | FAO區域 | 生態系 | 發現紀錄 | 簡介
簡短描述
背棘 (總數): 0; 背的軟條 (總數): 69-97; 臀棘 0; 臀鰭軟條: 53 - 80; 脊椎骨: 46 - 52. This species is distinguished by the following characters: body oval, flat and asymmetric; eyes located on right side of head, except in reversed individuals (Ref. 57416). Upper eye less than its own diameter from dorsal profile of head (Ref. 4710). Anterior nostril on blind side not enlarged (Ref. 4710, 57416), but surrounded by small rim (Ref. 57416). Its distance from front margin of head 1.5-1.9x in its distance from cleft of mouth; anterior nostril on eyed side with backward-pointing tube not or only barely reaching front border of lower eye (Ref. 4710). Preopercle covered by skin and opercle entirely scaled; mouth arched and inferior; dorsal and anal fins lacking spinous rays and united to caudal fin by well-developed membrane, but caudal peduncle distinct; dorsal fin originating on horizontal axis through upper eye; pectoral fin on eyed side asymmetrical, with 7-10 rays, and on blind side slightly shorter; straight part of lateral line visible, supratemporal part slightly arched above eyes; body covered with rectangular ctenoid scales (Ref. 57416).
人類使用
漁業: 高經濟性; 養殖: 商業性; 游釣魚種: 是的; 水族館: 公眾的水族館
工具
特別的報告
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網路資源
Estimates of some properties based on models
Phylogenetic diversity index
PD50 = 0.5020 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)
營養階層
3.2 ±0.1 se; Based on diet studies.
回復力
中等的, 族群倍增時間最少 1.4 - 4.4年 (K=0.21-0.33; tm=3-5; tmax=26; Fec=100,000)
瀕危性
Moderate vulnerability (36 of 100)
價格種類