分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鰓亞綱 (鯊魚與魟魚) (sharks and rays) >
Myliobatiformes (Stingrays)
鰩目 (Stingrays) >
Myliobatidae (Eagle and manta rays)
燕魟科 (Eagle and manta rays)
Etymology: Myliobatis: Greek, mylo = mill + Greek, + Greek, batis,-idos = a ray (Raja sp.) (Ref. 45335).
More on author: Gill.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 0 - 108 m (Ref. 96339). 亞熱帶的; 43°N - 5°S, 126°W - 85°W (Ref. 55258)
Eastern Pacific: Oregon, USA to Gulf of California (Ref. 2850) and the Galapagos Islands (Ref. 28023).
東太平洋: 美國的奧勒岡州到加州灣 (參考文獻 2850) 與加拉巴哥群島.(參考文獻 28023)
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 180 cm WD 雄魚/尚未辨別雌雄; (Ref. 2850); common length : 100.0 cm WD 雄魚/尚未辨別雌雄; (Ref. 9257); 最大體重: 82.1 kg (Ref. 40637)
Commonly found in sandy and muddy bays and sloughs, also on rocky bottom and in kelp beds (Ref. 2850). Sometimes buries itself in sand (Ref. 2850). Found singly or in schools (Ref. 12951). Feeds on bivalves, snails, polychaetes, shrimps, and crabs (Ref. 9257). Ovoviviparous (Ref. 50449). Venomous spine on tail. Not fished commercially, but shows up as by-catch species (Ref. 9257).
普遍地棲息於沙泥海灣與泥坑, 也在岩石的底部上與在海藻床中.(參考文獻 2850) 有時掩藏於沙子中。 (參考文獻 2850) 各別地或成群發現。 (參考文獻 12951) 吃二枚貝，蝸牛，多毛類動物，蝦與螃蟹。 (參考文獻 9257) 卵胎生的.(參考文獻 50449) 在尾部上的有毒的棘。 不商業性地漁捕, 但是出現如誤捕種.(參考文獻 9257)
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).東太平洋: 美國的奧勒岡州到加州灣 (參考文獻 2850) 與加拉巴哥群島.(參考文獻 28023)
McEachran, J.D. and G. Notarbartolo di Sciara, 1995. Myliobatidae. Aguilas marinas. p. 765-768. In W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter and V. Niem (eds.) Guia FAO para Identification de Especies para los Fines de la Pesca. Pacifico Centro-Oriental. 3 Vols. FAO, Rome. (Ref. 9257)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 13 September 2014
人類使用
漁業: 商業性; 水族館: 公眾的水族館
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Estimates based on models
Preferred temperature (Ref.
123201): 12.4 - 23, mean 20.6 °C (based on 34 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00123 - 0.01235), b=3.08 (2.82 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.2 ±0.1 se; based on diet studies.
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (tm=3; tmax=23; k=0.09-0.22).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (75 of 100).
Nutrients (Ref.
124155): Calcium = 8.59 [1.10, 170.56] mg/100g; Iron = 0.647 [0.059, 7.948] mg/100g; Protein = 20.5 [15.2, 25.6] %; Omega3 = 0.159 [0.050, 0.437] g/100g; Selenium = 28.9 [5.9, 146.1] μg/100g; VitaminA = 3.22 [0.27, 34.64] μg/100g; Zinc = 0.476 [0.031, 5.520] mg/100g (wet weight);
