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) >
Rajiformes (Skates and rays)
鰩目 (Skates and rays) >
Rajidae (Skates)
鰩科 (Skates)
Etymology: Dipturus: Greek, di = two + Greek, pteryx = fin (Ref. 45335).
More on authors: Jordan & Fowler.
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
海洋 居於水底的; 深度上下限 45 - 400 m (Ref. 114953). 溫帶; 42°N - 15°N, 121°E - 144°E (Ref. 114953)
Western Pacific: Japan to northern Philippines, including Taiwan (Ref. 114953).
西太平洋: 日本到東中國海; 也已知來自菲律賓。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 113 cm TL 雄魚/尚未辨別雌雄; (Ref. 114953)
Found on sand-mud bottoms (Ref. 41299). Depth range from 80 m-150 m (Ref. 41299). Feeds on invertebrates and bony fish (Ref. 9908, Ref. 114953). Oviparous. Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205). Eggs are oblong capsules with stiff pointed horns at the corners deposited in sandy or muddy flats (Ref. 205). Egg capsules are 8.5-10.0 cm long and 5.5-6.4 cm wide (Ref. 41249 , 41253).
棲息於沙泥底部.。 (參考文獻 41299) 來自 80 公尺-150 的深度範圍公尺.(參考文獻 41299) 捕食無脊椎動物與硬骨魚。 (參考文獻 9908) 卵生的。 明顯的成對出現。 幼魚可能傾向跟隨大的個體, 例如他們的母親.(參考文獻 205) 卵為長方形鞘囊具有僵硬的觸角沈積在沙灘或泥灘的角落.(參考文獻 205) 卵鞘是 8.5-10.0 公分長與 5.5-6.4 公分寬的.(參考文獻 41249,41253)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Oviparous (Ref. 9908). Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205).西太平洋: 日本到東中國海; 也已知來自菲律賓。
McEachran, J.D. and K.A. Dunn, 1998. Phylogenetic analysis of skates, a morphologically conservative clade of elasmobranchs (Chondrichthyes: Rajidae). Copeia 1998(2):271-290. (Ref. 27314)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-1)
近危 (NT) (A2d); Date assessed: 28 August 2019
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Estimates based on models
Preferred temperature (參考文獻
123201): 14 - 27.2, mean 20.3 °C (based on 96 cells).
Phylogenetic diversity index (參考文獻
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00282 (0.00131 - 0.00604), b=3.25 (3.08 - 3.42), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
營養階層 (參考文獻
69278): 4.0 ±0.61 se; based on food items.
回復力 (參考文獻
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (68 of 100).
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