Common names from other countries
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)
鰩目 (Shovelnose rays) >
Rhinobatidae (Guitarfishes)
琵琶鱝科 (Guitarfishes)
Etymology: Rhinobatos: Greek, rhinos = nose + Greek, batis, -idos = a ray (Raja sp.) (Ref. 45335).
More on author: Norman.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 ? - 30 m (Ref. 114953). 熱帶; 29°N - 17°S, 19°W - 13°E (Ref. 114953)
Eastern Atlantic: Morocco to southern Angola, a record from Namibia needs confirmation.
東大西洋: 摩洛哥到那米比亞。
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 100.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 6497); common length : 65.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 6497)
More or less stationary in inshore coastal waters to moderate depth. Feeds on benthic invertebrates, mainly crustaceans. Common length is 60-66 cm TL. Males mature at ca. 42 cm TL (Ref. 114953). Ovoviviparous. Produces small litters of 1-3 pups (Ref. 114953).
約略靜止的在近海沿岸水域到中等深度中。 卵胎生的。
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: 摩洛哥到那米比亞。
Stehmann, M., 1990. Rhinobatidae. p. 23-27. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 6497)
IUCN 瀕危狀態 (Ref. 130435)
極危 (CR) (A2d); Date assessed: 04 August 2020
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年龄/大小
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形態測量圖
型態特徵
仔魚
稚魚動力學
入添量
豐度
參考文獻養殖養殖資訊品種遺傳學Electrophoreses遺傳率疾病加工Mass conversion
合作者照片Stamps, Coins Misc.聲音神經毒速度泳型鰓區Otoliths腦重體重比眼睛色素
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Estimates based on models
Preferred temperature (Ref.
115969): 25.1 - 28, mean 27.3 (based on 202 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00295 (0.00151 - 0.00578), b=3.13 (2.96 - 3.30), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.8 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): High vulnerability (60 of 100).