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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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Leucoraja naevus
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Mauritania country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: commercial | Ref: Mohamed Fall, K.O., 2005
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Museum: ISH 1252-1982.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/mr.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Stehmann, M., 1990
National Database:

Common names from other countries

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii 板鰓亞綱 (鯊魚與魟魚) (sharks and rays) > Rajiformes (Skates and rays) 鰩目 (Skates and rays) > Rajidae (Skates) 鰩科 (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 生態學

海洋 居於水底的; 深度上下限 12 - 900 m (Ref. 106604), usually 20 - 250 m (Ref. 11284).   亞熱帶的; 63°N - 15°N, 18°W - 36°E

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Eastern Atlantic: Kattegat (Ref. 3167) and North Sea, around Great Britain, Ireland and the Mediterranean to Morocco and Senegal.
東大西洋: Kattegat(參考文獻 3167) 與北海, 英國,愛爾蘭與地中海到摩洛哥與塞內加爾的周圍。

Length at first maturity / 大小 / 重量 / 年齡

Maturity: Lm 57.5, range 45 - 71.8 cm
Max length : 81.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 106604); 68.0 cm TL (female); common length : 40.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 3261)

簡短描述 檢索表 | 型態特徵 | 形態測量圖

背棘 (總數) : 0; 臀棘: 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)
吻短; 上表皮長滿刺, 但是胸鰭的中心約略裸露的當成魚時, 下面平滑的除了多刺的前緣; 通常 9-13 刺眼的內緣的周圍形成完整的一列, 與在後頸或肩部上的一個刺的大三角形; 在中線的兩邊上的二平行的列強的刺沿著尾部; 上表皮黃土色到淡的灰褐色的在每個胸鰭的中央中具有一個大的圓黑眼班, 腹面白色的 (參考文獻 3167)

生物學特性     字彙 (例如 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).

捕食各種的底部動物。 (參考文獻 3167) 卵生的。 明顯的成對出現。 幼魚可能傾向跟隨大的個體, 例如他們的母親.(參考文獻 205) 卵為長方形鞘囊具有僵硬的觸角沈積在沙灘或泥灘的角落.(參考文獻 205) 卵鞘是 5.0-7.0 公分長與 3.1-3.9 公分寬的.(參考文獻 41250) 大約 70-150個卵每年每個體生產。 (參考文獻 41250)

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

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).東大西洋: Kattegat(參考文獻 3167) 與北海, 英國,愛爾蘭與地中海到摩洛哥與塞內加爾的周圍。

主要參考資料 Upload your references | 參考文獻 | 合作者 : McEachran, John | 合作者

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 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 25 November 2014

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的




人類使用

漁業: 商業性; 水族館: 公眾的水族館
FAO(漁業: 產生; publication : search) | FishSource | 周邊海洋

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Trophic ecology
食物相
Diet compositions
Food consumptions
Food rations
捕食者
Ecology
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Length-length rel.
長度-頻率
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Egg(s)
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參考文獻

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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).
營養階層 (Ref. 69278):  4.2   ±0.3 se; based on diet studies.
回復力 (Ref. 120179):  低的, 最小族群倍增時間4.5 - 14 年 (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).
價格種類 (Ref. 80766):   Medium.