分類 / 名稱
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).
Eponymy: Dr Ronald Hamlyn-Harris (1874–1953) was an English-born entomologist. [...] (Ref. 128868), visit book page.
More on author: Ogilby.
環境： 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
海洋 底中水層性; 深度上下限 200 - ? m (Ref. 6871). 深水域; 17°S - 26°S
Indo-West Pacific: patchy distribution, Austalia, Indonesia, the Philippines, Taiwan and Japan.
東印度洋與中西太平洋: 只有一個標本從外海的澳洲西部的福瑞斯蒂爾島與澳洲昆士蘭的莫瑞頓角。 可能地與 Myliobatis tobijei 或 Myliobatis aquila 沒有區別; 嚴格地被相較於的所有三種需要以決定是否他們是不同的種.(參考文獻 9862)
初熟時的長度 / 大小 / 重量 / 年齡
成熟度: Lm ?, range 65 - ? cm
Max length : 48.0 cm WD 雄魚/尚未辨別雌雄; (Ref. 6871)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
脊椎骨: 114 - 119. This medium-sized Myliobatis species (attaining at least 114.2 cm DW) is distinguished by the following set of characters: dorsal surface uniformly purplish brown to greenish brown, without dark spots or blotches; tail with a distinct, low ventral skin fold; stinging spine(s) are relatively long (longest spine 13.1-15.9% DW); adult males with interorbital space moderately concave; anterior margins of pectoral fin is straight to slightly convex; cranial fontanelle (visible in dorsal view without dissection) is relatively wide with slightly convex lateral margins; claspers of adult males 5.5-5.7% DW; predorsal length 63.6-68.6% DW; each jaw with 7 rows of teeth, with a broad median row flanked by three smaller rows on each side; pectoral-fin radials 85-92 (excluding rostral propterygial radials anterior of eyes); total vertebral centra (including synarcual) 114-119; males mature at about 65.0 cm DW (Ref. 132213).
Cross section: flattened.
Common inshore and offshore, demersal in intertidal habitats to depths of at least 220 m (Ref. 58048); also in coral reefs (Ref. 58534). Diet unknown, but presumably consists primarily of bivalves and other bottom-dwelling invertebrates. Caught occasionally by inshore, demersal longline fisheries. Utilized for its meat and cartilage (Ref. 58048). Ovoviviparous (Ref. 50449).
稀有的外海種.(參考文獻 9862) 卵胎生的.(參考文獻 50449)
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 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).東印度洋與中西太平洋: 只有一個標本從外海的澳洲西部的福瑞斯蒂爾島與澳洲昆士蘭的莫瑞頓角。 可能地與 Myliobatis tobijei 或 Myliobatis aquila 沒有區別; 嚴格地被相較於的所有三種需要以決定是否他們是不同的種.(參考文獻 9862)
White, W.T., J. Kawauchi, S. Corrigan, E. Rochel and G.J.P. Naylor, 2015. Redescription of the eagle rays Myliobatis hamlyni Ogilby, 1911 and M. tobijei Bleeker, 1854 (Myliobatiformes: Myliobatidae) from the east Indo-West Pacific. Zootaxa 3948(3):521-548. (Ref. 132213)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
近危 (NT) ; Date assessed: 17 February 2015
人類使用
漁業: 商業性
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網路資源
基於模型的估計
系統發育多樣性指數 (參考文獻
82804): PD
50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00124 - 0.01219), b=3.08 (2.83 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (參考文獻
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
回復力 (參考文獻
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Fec assumed to be <100).
釣魚的脆弱性 (Ref.
59153): Very high vulnerability (83 of 100).
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