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) >
Rajiformes (Skates and rays) >
Arhynchobatidae (Softnose skates)
Etymology: aenigma: Name from Latin 'aenigma' or enigma, in allusion to its unresolved taxonomic status..
More on authors: Last & McEachran.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 ? - 437 m (Ref. 58023). 深水域
Western Pacific: New Zealand.
西太平洋: 紐西蘭。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 43.6 cm TL 雄魚/尚未辨別雌雄; (Ref. 58023)
簡短描述
型態特徵 | 形態測量圖
A species of Brochiraja with the following combination of characters: rounded disc; very long tail, 1.5 times disc length, 2.9 times ventral head length, 6.8 times snout length; orbit moderately large, 2.4 in preorbital snout length; calcified rostral shaft very short; tail base narrow, width at pelvic fin insertions 2 times width at midlength; dermal denticles closely spaced, over entire upper disc; mid-dorsal surface of tail with thorns and denticles; dorsolateral surface of tail without thorns; orbital thorns absent; entire ventral surface naked; medium brownish with darker mottling above and below; indistinct rows of pale-edged pores on ventral surface; nuchal pore band indistinct; anterior pelvic fin lobe bulbous, black tipped; total pectoral radials 73-74; predorsal vertebrae 115; c. 30 tooth rows in upper jaw (Ref. 58023).
一個 Brochiraja 的種用下列的組合特徵: 圓的體盤; 非常長的尾部, 1.5 倍體盤長度, 2.9 倍頭部下面長度, 6.8 倍吻長; 眼窩普通大的, 2.4 在眶前骨吻的長度中; 變成石灰質嘴的軸了非常短的; 尾部基底狹窄的, 寬度在腹鰭嵌入在身體中央兩倍寬度; 表皮的細齒間隔很密的, 在整個的上體盤之上; 背部中央表面尾部有刺與細齒; 沒有刺的尾部的背外側表面; 眼窩的刺不存在; 整個的腹面裸露的; 中等的褐色有較深色的雜斑上面與下面; 在腹面上的不明顯的列邊緣灰白的孔; 頸背的孔條紋不明顯的; 前面的腹鰭葉凸起的, 黑色的頂端; 總計胸的動脈 73-74; 前背的脊椎骨 115; c。 在上頜中的 30個齒列.(參考文獻 58023)
Known only from a single specimen; no information on mature males or juveniles (Ref. 58023).
已知只來自一件標本.; 關於成熟的雄性或稚魚的沒有資訊.(參考文獻 58023)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
西太平洋: 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)
人類使用
更多資訊
俗名同種異名新陳代謝捕食者生態毒物學繁殖成熟度產卵場產卵群集孕卵數卵卵發育
年龄/大小成長長度-重量長度-長度長度-頻率形態測量圖型態特徵仔魚稚魚動力學入添量豐度BRUVS
參考文獻養殖養殖資訊品種遺傳學Electrophoreses遺傳率疾病加工NutrientsMass 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
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00550 (0.00273 - 0.01106), b=3.10 (2.93 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.7 ±0.7 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (34 of 100).
