分類 / Names
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
板鰓亜鋼(サメとエイ類) (sharks and rays) >
Rajiformes (Skates and rays) >
Arhynchobatidae (Softnose skates)
Etymology: leviveneta: Name from latin 'laevis' meaning smooth, bald and 'venetus' for sea-colored or blue, referring to the appearance of the dorsal disc..
More on authors: Last & McEachran.
Environment: milieu / climate zone / depth range / distribution range
生態学
海 深海魚; 深さの範囲 300 - 1200 m (Ref. 58023). Deep-water
Southwest Pacific: Lord Howe Rise, Challenger Plateau and northern continental slope of New Zealand south to the Clatham Rise, onto the Campbell Plateau, Pukaki Rise and Bounty Platform.
サイズ / 重さ / 年齢
Maturity: Lm ?  range ? - ? cm
Max length : 50.9 cm オス/雌雄の選別がない; (Ref. 58023)
簡単な記述
形態学 | 形態計測学
A small species having the following diagnostic characters: long tail, 1.2-1.3 times disc length, 2.1-2.6 times ventral head length, 4-5 times snout length; large orbit, 2.6-3.4 in preorbital snout length; tail base moderately broad, width at pelvic-fin insertions 1.9-2.7 times width at midlength; denticles confined to central disc behind eye; tail thorns in single, median row; single, well-developed preorbital and postorbital thorns; ventral disc and tail naked; rostral thorn bifurcated, pronounced, close to snout tip, distance from snout tip 3-4.3 in preorbital length; calcified rostral shaft long; alar thorns in small patch of long-based, posteromedially directed thorns flanked laterally by patch of much smaller, more posteriorly directed malar thorns; additional malar thorn patch lateral to eye, usually separate from posterior patch; upper surface bluish, ventral surface much darker bluish brown; rows of strongly contrasted, pale-edged pores on ventral surface; nuchal pore band is distinct; total pectoral radials 64-69; predorsal vertebrae 95-100; tooth rows in the upper jaw 32-43 (Ref. 58023).
Male paratype mature at 43.2 cm TL (Ref. 58023).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
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)
Human uses
より多くの情報
共通名の類義語代謝捕食動物生態毒性繁殖成熟放精卵の集合体生産力卵卵の開発
Age/Size成長体長-重さLength-length体長組成形態計測学形態学幼生幼生の動力補充豊度BRUVS
参考文献水産養殖水産養殖の紹介緊張遺伝子のElectrophoreses遺伝病気行列NutrientsMass conversion
協力者画像Stamps, Coins Misc.音シガテラ(食中毒の名前)速度泳ぐ 型式カマOtoliths脳視覚
用具
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インターネットの情報源
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).
栄養段階 (Ref.
69278): 3.8 ±0.7 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 低い, 4.5年~14年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (42 of 100).