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: microspinifera: Name from Latin 'micro' meaning small and the epithet of its larger New Zealand sibling species Brochiraja spinifera..
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 600 - 1200 m (Ref. 58023). 深水域
Southwest Pacific: New Zealand.
西南太平洋: 紐西蘭。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 32.5 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 dwarf species with the following combination of characters: tail moderately elongate, 1.2-1.4 times disc length, 2.5-2.7 times ventral head length, 5.3-6.3 times snout length; orbit moderately large, 2.1-2.8 in preorbital snout length; tail base moderately broad, width at pelvic-fin insertions 2.1-3.1 times width at midlength; fine dermal dentic1es present over entire dorsal disc; rostral thorns reduced in adult, about equidistant from orbit and snout tip (snout length 1.8-2.1 times their distance from snout tip); mid-dorsal surface of tail naked apart from single row of moderately enlarged thorns extending anteriorly onto interpelvic space; dorsolateral surface of tail with numerous smaller thorns and large denticles; single preorbital thorn, postorbital thorn absent; ventral disc and tail naked; calcified rostral shaft short; alar thorns in small, well-defined patch; malar thorns absent; both surfaces of disc dark brown; with or without pale-edged pores on ventral surface; nuchal pore band indistinct; total pectoral radials 58-63; predorsal vertebrae 81-88; tooth rows in the upper jaw 33-37 (Ref. 58023).
一個矮小的種用下列的組合特徵: 尾部中等細長的, 1.2-1.4 倍體盤長度, 2.5-2.7 倍頭部下面長度, 5.3-6.3 倍吻長; 眼窩普通大的, 2.1-2.8 在眶前骨吻的長度中; 尾部基底一般寬, 在腹鰭嵌入 2.1-3.1 的寬度倍寬度在身體中央; 細的表皮 dentic 1es 在整個的背部體盤之上呈現; 嘴的刺在成魚中縮小的了, 大約距離相等的從眼窩與吻頂端;(吻的長度 1.8-2.1 倍他們的距離吻尖頂端) 尾部的背部中央表面裸露的分別地從單列的一般大刺前面地在 interpelvic 空間之上延伸; 背外側表面尾部有很多的較小的刺與大的細齒; 單一眶前骨刺 , 眼眶後的刺不存在; 腹面體盤與尾部裸露的; 變成石灰質嘴的軸短了; 翼的刺在小的, 很清晰小區塊; 頰刺不存在; 體盤的兩者表面深褐色的; 具有或者沒有邊緣灰白的孔在腹面上; 頸背的孔條紋不明顯的; 總計胸的動脈 58-63; 前背的脊椎骨 81-88; 在上頜 33-37 中的齒列.(參考文獻 58023)
Male paratype mature at 27 cm TL; no information on juveniles (Ref. 58023).
雄性副模式在 27 公分TL 時成熟; 沒有關於稚魚的資訊.(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)
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
Preferred temperature (Ref.
123201): 3.6 - 8.2, mean 5.3 °C (based on 20 cells).
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 ±0.6 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Preliminary low fecundity).
Fishing Vulnerability (Ref.
59153): Low vulnerability (23 of 100).
