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Leucoraja naevus (MŘller and Henle, 1841)
CUCKOO RAY
Life   Vertebrata   Fish   Rajidae   Leucoraja


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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Leucoraja&speciesname=naevus ---> https://www.fishbase.se/Summary/speciesSummary.php?genusname=Leucoraja&speciesname=naevus
https://www.fishbase.se/Summary/speciesSummary.php?genusname=Leucoraja&speciesname=naevus ---> https://www.fishbase.se/summary/Leucoraja-naevus.html

Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Leucoraja naevus (M├╝ller & Henle , 1841)

Cuckoo ray Add your observation in Fish Watcher
Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Leucoraja naevus   AquaMaps   Data sources: GBIF OBIS
Upload your photos  and  videos
Pictures | Google image Image of Leucoraja naevus (Cuckoo ray) Leucoraja naevus
Picture by Greenfield, J.

Classification / Names Common names | Synonyms | Catalog of Fishes ( gen. , sp. ) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (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: M├╝ller & Henle .

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; demersal; depth range 20 - 500 m, usually 20 - 250 m (Ref. 11284 ).   Subtropical; 60°N - 15°N, 18°W - 36°E

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

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

Length at first maturity / Size / Weight / Age

Maturity: L m 57.5 , range 45 - 71.8 cm
Max length : 71.0 cm TL male/unsexed; (Ref. 41333 ); 68.0 cm TL (female); common length : 40.0 cm TL male/unsexed; (Ref. 3261 )

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Anal spines : 0; Anal soft rays : 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 )

Biology     Glossary (e.g. 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 Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

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 ).

Main reference Upload your references | References | Coordinator : McEachran, John | Collaborators

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 Red List Status (Ref. 120744 )

  Least Concern (LC)  ; Date assessed: 25 November 2014

CITES (Ref. 115941 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: commercial; aquarium: public aquariums FAO(fisheries: production ; publication : search ) | FishSource | Sea Around Us

More information

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Summary page | Point data | Common names | Photos

Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes ( gen. , sp. ) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank( genome , nucleotide ) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | Public aquariums | PubMed | Reef Life Survey | Tree of Life | Wikipedia( Go , Search ) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969 ): 7.2 - 16.7, mean 10.5 (based on 1278 cells). Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00355 (0.00276 - 0.00457), b=3.10 (3.02 - 3.18), in cm Total Length, based on LWR estimates for this species (Ref. 93245 ). Trophic Level (Ref. 69278 ):  4.2   ±0.3 se; Based on diet studies. Resilience (Ref. 69278 ):  Low, minimum population doubling time 4.5 - 14 years (K=0.11-0.16; tm=8-9; tmax=28; Fec<100). Prior r = 0.41, 95% CL = 0.26 - 0.65, Based on 1 stock assessment. Vulnerability (Ref. 59153 ):  Moderate to high vulnerability (47 of 100) . Price category (Ref. 80766 ):   Medium .

Entered by Luna, Susan M. Modified by B├ęarez, Philippe Fish Forum
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