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Leucoraja naevus (Müller & Henle, 1841)

Cuckoo ray
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Leucoraja naevus   AquaMaps   Data sources: GBIF OBIS
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Image of Leucoraja naevus (Cuckoo ray)
Leucoraja naevus
Picture by Greenfield, J.

Portugal country information

Common names: Raia-de-dois-olhos
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist: Portugal
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/po.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Stehmann, M. and D.L. Bürkel, 1984
National Database: Portuguese Freshwater Fishes

Common names from other countries

Raie fleurie, Raya santiguesa, Butterfly skate, ... more

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) > Rajidae (Skates)
Etymology: Leucoraja: Greek, leykos = white + Latin, raja = a fish, Raja sp. (Ref. 45335).
  More on authors: Müller & Henle.

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

海 底生の; 深さの範囲 12 - 900 m (Ref. 106604), usually 20 - 250 m (Ref. 11284).   Subtropical; 63°N - 15°N, 18°W - 36°E

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

Eastern Atlantic: Kattegat (Ref. 3167) and North Sea, around Great Britain, Ireland and the Mediterranean to Morocco and Senegal.

Length at first maturity / サイズ / 重さ / 年齢

Maturity: Lm 57.5, range 45 - 71.8 cm
Max length : 81.0 cm TL オス/雌雄の選別がない; (Ref. 106604); 68.0 cm TL (female); common length : 40.0 cm TL オス/雌雄の選別がない; (Ref. 3261)

簡単な記述 検索表 | 形態学 | 形態計測学

背面の脊椎 (合計) : 0; 肛門の骨: 0. Snout short; upper surface entirely spinulose, but centre of pectoral fins more or less bare in adults, underside smooth except for prickly front edges; generally 9-13 thorns in a complete row around inner margin of eye, and a large triangle of thorns on nape or shoulder region; two parallel rows of strong thorns on each side of midline along tail; upper surface ochre to light greyish-brown with a large roundish black eye-spot in middle of each pectoral fin, underside white (Ref. 3167)

生物学     用語集 (例 epibenthic)

Feed on all kinds of bottom animals (Ref. 3167). Oviparous. Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205). Eggs are oblong capsules with stiff pointed horns at the corners deposited in sandy or muddy flats (Ref. 205). Egg capsules are 5.0-7.0 cm long and 3.1-3.9 cm wide (Ref. 41250). Around 70-150 eggs are laid per individual annually (Ref. 41250).

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205).

主な参考文献 Upload your references | 参考文献 | コーディネーター : McEachran, John | 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)

  軽度懸念 (LC) ; Date assessed: 25 November 2014

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless




Human uses

水産業: 商業; 水族館・水槽: 公共の水族館
FAO(水産業: 代謝; publication : search) | FishSource | 私達の周りの海

より多くの情報

Trophic ecology
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捕食動物
Ecology
生態学
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Length-weight rel.
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体長組成
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Recruitments
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Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
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Distribution
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エコシステム
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導入
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Anatomy
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脳
Otoliths
Physiology
Body compositions
Nutrients
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水泳形態
Swimming speeds
Visual pigment(s)
魚の音
Diseases / Parasites
Toxicities (LC50s)
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遺伝子の
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用具

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特記事項

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インターネットの情報源

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Estimates based on models

Preferred temperature (Ref. 115969): 7.2 - 16.7, mean 10.5 (based on 1278 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00245 (0.00211 - 0.00285), b=3.22 (3.18 - 3.26), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
栄養段階 (Ref. 69278):  4.2   ±0.3 se; based on diet studies.
回復力 (Ref. 120179):  低い, ４．５年～１４年の倍増期間の最小個体群 (K=0.11-0.16; tm=8-9; tmax=28; Fec<100).
Prior r = 0.41, 95% CL = 0.27 - 0.61, Based on 1 full stock assessment.
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (48 of 100).
Climate Vulnerability (Ref. 125649):  Low to moderate vulnerability (35 of 100).
価格帯 (Ref. 80766):   Medium.