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) >
Urolophidae (Round rays)
平魟科 (Round rays)
Etymology: Urolophus: Greek, oura = tail + Greek, lophos = crest (Ref. 45335); deforgesi: Named for Bertrand Richer de Forges of the Institute de Recherche pour le Développemen, for promoting the recent exploration of the bathyal fauna off New Caledonia and for collecting valuable fish specimens from cruise surveys (Ref. 51067).
Eponymy: Dr Bertrand Richer-de-Forges (d: 1948) is a French carcinologist and marine biologist who (since 1984) has been based at ORSTOM, Noumea, New Caledonia. [...] (Ref. 128868), visit book page.
More on authors: Séret & Last.
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
海洋 深海底的; 深度上下限 203 - 330 m (Ref. 51067). 深水域
Western Central Pacific: Chesterfield Islands.
中西太平洋: 赤斯特菲群島。
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 34.2 cm TL 雄魚/尚未辨別雌雄; (Ref. 51067)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 0; 脊椎骨: 151 - 157. Weakly rhomboidal disc, width less than 70% total length; rather long tail, postcoacal length more than 75% of disc length; short head (ventral length mostly less than 30% total length) and snout (length to eye less than 15% total length); narrow, cartilaginous interorbit less than 4% total length; internasal flap greatly expanded posteriorly; no broad lobes on posterolateral border of nostrils; inner margin of spiracle oblique; no lateral tail folds; no dorsal fin; apices of pelvic fins rounded; 7-8 oral papillae arranged along a 'W' line on mouth floor; 96-102 pectoral fin radials; total vertebrae more than 150; dorsal surface uniform yellowish brown (Ref. 51067).
Body shape (shape guide): other.
接近長菱形的體盤 , 寬度少於 70% 全長; 相當長的尾部, postcoacal 長度超過 75% 的體盤長度; 短頭部 (腹面長度大部份少於 30% 全長) 與吻;(長度到眼睛少於 15% 全長) 狹窄又軟骨的眼窩少於 4% 全長; 鼻間蓋後部變得很大; 沒有在鼻孔的後側邊緣上的寬的葉; 噴水孔的內緣斜角; 沒有側面的尾部摺疊; 沒有背鰭; 腹鰭的頂點圓的; 7-8 口部的乳突在嘴底部上沿著一條 'W' 線排列了; 96-102個胸鰭動脈; 總脊椎骨超過 150; 背面均勻的土黃色.(參考文獻 51067)
Inhabits the continental slope (Ref. 51067).
居住於大陸斜坡。 (參考文獻 51067)
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
中西太平洋: 赤斯特菲群島。
Séret, B. and P. Last, 2003. Description of four new stingarees of the genus Urolophus (Batoidea: Urolophidae) from the Coral Sea, South-West Pacific. Cybium 27(4):307-320. (Ref. 51067)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
無危 (LC) ; Date assessed: 20 June 2017
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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) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00813 (0.00364 - 0.01815), b=3.08 (2.88 - 3.28), 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) |
3.5 ±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 (Assuming fecundity<100). |
釣魚的脆弱性 (Ref. 59153) |
Moderate vulnerability (41 of 100). 🛈 |