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) >
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).
Eponymy: Dr ‘Thomas’ Nelson Annandale (1876–1924) was a zoologist (primarily entomologist and herpetologist) and anthropologist who became Superintendent of the Indian Museum, Calcutta which still houses his insect and spider collection. [...] (Ref. 128868), visit book page.
More on author: Norman.
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
海洋; 半鹹淡水 居於水底的; 非產卵性溯降河的 (Ref. 51243); 深度上下限 40 - 90 m (Ref. 114953). 熱帶; 26°N - 5°N, 56°E - 99°E (Ref. 114953)
Indian Ocean: Oman to the Andaman Sea, off Myanmar.
印度洋: 印度與斯里蘭卡。
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 89.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 121648); 65.0 cm TL (female); 最大體重: 2.4 kg (Ref. 121648); 最大體重: 2.4 kg
Primarily benthic (Ref. 114953). Occurs mainly in the marine environment, but also enters the lower reaches of rivers. Ovoviviparous (Ref. 50449). Males mature by 68 cm TL; born at ca. 20 cm TL. Females produces litters up to 6 pups (Ref. 114953). Minimum depth range from Ref. 121775.
主要生活在海洋的環境, 也進入河的下面範圍。 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).印度洋: 印度與斯里蘭卡。
Last, P.R., B. Séret and G.J.P. Naylor, 2019. Description of Rhinobatos ranongensis sp. nov.(Rhinopristiformes: Rhinobatidae) from the Andaman Sea and Bay of Bengal with a review of its northern Indian Ocean congeners. Zootaxa 4576(2):257-287. (Ref. 123963)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
極危 (CR) (A2d); Date assessed: 13 May 2020
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基於模型的估計
系統發育多樣性指數 (參考文獻
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00178 (0.00119 - 0.00267), b=3.10 (2.98 - 3.22), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (參考文獻
69278): 3.7 ±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): High vulnerability (56 of 100).
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