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) >
Rajiformes (Skates and rays)
鰩目 (Skates and rays) >
Rajidae (Skates)
鰩科 (Skates)
Etymology: Neoraja: Greek, neos = new + Latin, raja = fish, Raja sp. (Ref. 45335).
Eponymy: Dr Matthias F W Stehmann (d: 1943) is a German ichthyologist whose university career at Kiel University (1962–1969) resulted in degrees covering marine sciences, zoology and limnology and culminated with a doctorate in marine sciences. [...] (Ref. 128868), visit book page.
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 102 - 1025 m (Ref. 5578). 深水域; 29°S - 40°S
Southeast Atlantic: off the Orange River mouth to south of the Agulhas Bank, South Africa.
東南大西洋: 外海的對南非的 Agulhas 邊坡南方的橘河嘴。
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 37.6 cm TL 雄魚/尚未辨別雌雄; (Ref. 106604)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
A dwarf softnose skate with a bluntly pointed snout and very large close-set eyes; tail longer than body in adult; pectoral disc angular with rounded corners, and anterior edges more undulated in adult male than in female; large thorns around eyes, on shoulders, and in interrupted single row from back to dorsal fins (Ref. 5578). Brownish-grey above, with 6-7 crossbars on tail; underside pale with dark brown areas along the front and rear edges of disc, on snout and on underside of tail (Ref. 5578).
Body shape (shape guide): other.
一個矮小的軟鼻魟魚具有一個頓尖的吻與非常大的靠攏在一起眼; 尾部較長超過身體在成魚中; 胸盤有角的與圓角 , 與前緣在雄性成魚中較波浪狀超過母魚; 眼的周圍大刺, 在肩上, 而且形成中斷的一列從背部到背鰭.(參考文獻 5578) 背面灰褐色的, 在尾部上有 6-7 交叉的條紋; 下面灰白的有深褐色的在吻與尾巴下上,區域沿著體盤的前面與後緣.(參考文獻 5578)
Found on the upper slope (Ref. 5578). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205). Probably taken by hake trawlers (Ref. 5578).
棲息於上層斜坡了。 (參考文獻 5578) 卵生的.(參考文獻 50449) 卵在貝殼上有像觸角一樣的突出。 (參考文獻 205) 可能被鱈魚底拖網捕獲。 (參考文獻 5578)
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).東南大西洋: 外海的對南非的 Agulhas 邊坡南方的橘河嘴。
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 2025-2 (Global))
無危 (LC) ; Date assessed: 24 April 2018
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基於模型的估計
首選溫度 (參考文獻
123201): 6.1 - 12.1, mean 10.8 °C (based on 9 cells).
系統發育多樣性指數 (參考文獻
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00617 (0.00343 - 0.01109), b=3.28 (3.13 - 3.43), 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 ±0.6 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): Low to moderate vulnerability (28 of 100).
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