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) >
Arhynchobatidae (Softnose skates)
Etymology: albilabiata: Name from Latin 'albus' for white and 'labiatus' for lipped, referring to its distinct white-edged mouth which strongly contrasts against a very dark, beard-like patch below the mouth.
More on authors: Last & McEachran.
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 900 - 1000 m (Ref. 58023). 深水域
分布
領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
Southwest Pacific: New Zealand.
西南太平洋: 紐西蘭。
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 64.6 cm TL 雄魚/尚未辨別雌雄; (Ref. 58023)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
This species is characterized by the following: very long tail, 1.4-1.5 times disc length, 2.8-3.0 times ventral head length, 6.2-6.6 times snout length; orbit is moderately large, 2.5-2.7 in preorbital snout length; tail base relatively broad, width at pelvic-fin insertions 2.7-3.0 times width at midlength; anterior lobe of pelvic fin spatulate; dorsal disc largely naked; middorsal surface of tail naked, apart from non-linear row of paired thorns extending onto posterior disc; dorsolateral surface of tail lacking thorns; snout length 2.4-2.6 times distance from snout tip to rostral thorn; calcified rostral shaft short; single preorbital thorn, posterior thorns absent; ventral disc and tail naked; alar and malar thorns of mature males united to form a broad patch over most of outer pectoral fin; ventral surface much darker than dorsal surface; very dark, beard-like patch beneath mouth, edge of mouth white; no rows of pale-edged pores on ventral surface; nuchal pore band very distinct; total pectoral radials 68-70; predorsal vertebrae 106-110; tooth rows in upper jaw 45-60 (Ref. 58023).
Body shape (shape guide): other.
這種特徵為那在:之後 非常長的尾部, 1.4-1.5 倍體盤長度, 2.8-3.0 倍頭部下面長度, 6.2-6.6 倍吻長; 眼窩是普通大的, 2.5-2.7 在眶前骨吻的長度中; 尾部基底相當寬的, 在腹鰭嵌入 2.7-3.0 的寬度倍寬度在身體中央; 腹鰭的前面葉竹片狀的; 背部的體盤相當裸露; 尾部的背面中央表面裸露的, 除了延伸到在後部的體盤的成對刺的非線狀列之外; 尾部缺乏刺的背外側表面; 倍從吻尖到嘴的刺的距離吻長度 2.4-2.6; 變成石灰質嘴的軸短了; 單一眶前骨刺 , 在後部的刺不存在; 腹面體盤與尾部裸露的; 翼的與被連接到的成熟雄性的頰刺形成一個,寬的小區塊在大部分的外部胸鰭之上; 腹面很多比背面顏色更深; 在嘴之下的非常深色又像鬍鬚一樣的小區塊, 嘴白色的邊緣; 沒有列的在腹面上的邊緣灰白的孔; 頸背的孔條紋非常明顯的; 總計胸的動脈 68-70; 前背的脊椎骨 106-110; 在上頜 45-60 中的齒列.(參考文獻 58023)
Male paratypes were found to be immature at 50.7 cm TL, no information re juveniles (Ref. 58023).
雄性副模式被發現在 50.7 公分TL 是不成熟的, 關於稚魚的沒有訊息.(參考文獻 58023)
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
西南太平洋: 紐西蘭。
Last, P.R. and J.D. McEachran, 2006. New softnose skate genus Brochiraja from New Zealand (Rajidae: Arhynchobatinae) with description of four new species. N. Z. J. Mar. Freshwater Res. 40(1):65-90. (Ref. 58023)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
人類使用
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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 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00562 (0.00287 - 0.01102), b=3.11 (2.94 - 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) |
3.8 ±0.7 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 (Preliminary K or Fecundity.). |
釣魚的脆弱性 (Ref. 59153) |
High vulnerability (57 of 100). 🛈 |