Common names from other countries
分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 2 - 400 m (Ref. 4430), usually ? - 70 m (Ref. 27000). ; 48°N - 18°S, 19°W - 38°E (Ref. 114953)
Eastern Atlantic: southern Bay of Biscay and throughout the Mediterranean to Angola. Most common in tropical waters.
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 60.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 13417); 41.0 cm TL (female); common length : 30.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 13417); common length :39 cm TL (female)
Found on soft bottoms, usually inshore but occasionally deeper. Feeds on small fishes and also benthic invertebrates. Ovoviviparous, with 3-21 in a litter (Ref. 12951, Ref. 114953). Size at birth 9 cm (Ref. 12951). Capable of inflicting a severe shock of up to 200 volts.
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449).
Bauchot, M.-L., 1987. Raies et autres batoides. p. 845-886. In W. Fischer, M.L. Bauchot and M. Schneider (eds.) Fiches FAO d'identificationpour les besoins de la pêche. (rev. 1). Mèditerranée et mer Noire. Zone de pêche 37. Vol. II. Commission des Communautés Européennes and FAO, Rome. (Ref. 3261)
CITES (Ref. 128078)
Not Evaluated
人類使用
漁業: 沒有興趣; 水族館: 公眾的水族館
工具
特別的報告
下載 XML
網路資源
Estimates based on models
Preferred temperature (Ref.
115969): 13 - 20.9, mean 15.6 (based on 78 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01514 (0.01155 - 0.01983), b=2.95 (2.87 - 3.03), in cm Total Length, based on LWR estimates for this species (Ref.
93245).
營養階層 (Ref.
69278): 4.5 ±0.0 se; based on diet studies.
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (K=0.11).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (65 of 100).