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) >
Rhinopristiformes (Shovelnose rays) >
Rhinidae (Wedgefishes)
Etymology: Rhynchobatus: Greek, rhingchos = snout + Greek, batis, -idos = a sting ray (Raja sp.) (Ref. 45335).
Eponymy: Hans Julius Lübbert (1870–1951) studied politics and law at universities in Kiel and Rome, but caught severe malaria and had to change course. [...] (Ref. 128868), visit book page.
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 0 - 35 m (Ref. 106604), usually ? - 35 m (Ref. 27000). 熱帶; 28°N - 5°S, 20°W - 10°E (Ref. 114953)
Eastern Atlantic: Congo to Mauritania.
東大西洋: 塞內加爾到剛果。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 300 cm TL 雄魚/尚未辨別雌雄; (Ref. 2683); common length : 150 cm TL 雄魚/尚未辨別雌雄; (Ref. 26999)
Benthic (Ref. 114953). Occurs in shallow coastal waters, more or less stationary. Ovoviviparous (Ref. 50449). Adults feed mainly on small bony fishes and invertebrates. Females have litters of 2-5 pups. Maturity size unknown but born at 79-85 cm TL (Ref. 114953).
出現於沿岸淺水區, 約略靜止。 卵胎生的.(參考文獻 50449)
Life cycle and mating behavior
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).東大西洋: 塞內加爾到剛果。
Reiner, F., 1996. Catálogo dos peixes do arquipélago de Cabo Verde. Publ. Avuls. Inst. Port. Invest. Mar. 2:339 p. (Ref. 27000)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-1)
極危 (CR) (A2d); Date assessed: 03 December 2018
人類使用
漁業: 商業性
工具
特別的報告
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網路資源
Estimates based on models
Preferred temperature (參考文獻
123201): 23.2 - 28, mean 26.5 °C (based on 100 cells).
Phylogenetic diversity index (參考文獻
82804): PD
50 = 0.5024 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00372 (0.00163 - 0.00845), b=3.11 (2.91 - 3.31), 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): 4.5 ±0.80 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 (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
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