分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) >
Rajiformes (Skates and rays) >
Rajidae (Skates)
Etymology: Leucoraja: Greek, leykos = white + Latin, raja = a fish, Raja sp. (Ref. 45335); pristispina: Name from Greek 'pristis' for saw and the Latin 'spina' for thorn or backbone, refers to the rows of thorns on the midline of the disc and tail..
More on authors: Last, Stehmann & Séret.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 底中水层性; 深度上下限 202 - 504 m (Ref. 75643). ; 13°S - 30°S, 111°E - 123°E (Ref. 114953)
Eastern Indian Ocean: off Australia and eastern Indonesia (Ref. 114953).
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 40.1 cm TL 雄鱼/尚未辨别雌雄; (Ref. 75643); 37.8 cm TL (female)
Lengths of adolescent males ranged from 32.6-34.1 cm TL, with smallest juvenile a neonate 9.4 cm TL; adult males 34.8-40.1 cm TL (Ref. 75643).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
Last, P.R., M.F.W. Stehmann and B. Séret, 2008. Leucoraja pristispina sp. nov., a new deepwater skate from Western Australia. pp. 145-154. In Last, P.R., W.T. White, J.J. Pogonoski and D.C. Gledhill (eds.): Descriptions of new Australian skates (Batoidea: Rajoidei) pg. 145-154. CSIRO marine and atmospheric research paper no. 021. (Ref. 75643)
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Estimates based on models
Preferred temperature (Ref.
123201): 11.3 - 13.5, mean 11.8 °C (based on 17 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00339 (0.00167 - 0.00688), b=3.25 (3.09 - 3.41), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.5 ±0.1 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Preliminary low fecundity).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (30 of 100).
