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Cruriraja andamanica (Lloyd, 1909)

Andaman leg skate
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Cruriraja andamanica   AquaMaps   Data sources: GBIF OBIS
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Image of Cruriraja andamanica (Andaman leg skate)
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drawing shows typical species in Gurgesiellidae.

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) > Gurgesiellidae (Pygmy skates)
Etymology: Cruriraja: Latin, crur, cruris = pertaining to a leg + Latin, raja = a ray (Raja sp) (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range 生態学

海 深海魚; 深さの範囲 274 - 511 m (Ref. 26282). Deep-water

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri

Indian Ocean: in tropical waters, with one record from off Tanzania (Ref. 31308) and another from the Andaman Sea (Ref. 26282).

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm

生物学     用語集 (例 epibenthic)

Holotype taken from a depth of 511 m (Ref. 26282). Minimum depth reported taken from Ref. 31308). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

McEachran, J.D. and K.A. Dunn, 1998. Phylogenetic analysis of skates, a morphologically conservative clade of elasmobranchs (Chondrichthyes: Rajidae). Copeia 1998(2):271-290. (Ref. 27314)

IUCNのレッドリストの状況は (Ref. 130435: Version 2024-1)

  欠足データ (DD) ; Date assessed: 24 April 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

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Estimates based on models

Preferred temperature (Ref. 123201): 2.2 - 7.2, mean 5.3 °C (based on 79 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5039   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00661 (0.00222 - 0.01969), b=2.95 (2.71 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  3.8   ±0.6 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 (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (35 of 100).