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Raja - Espèces pour
Rajidae - - Classification -
- Rajidae
- Rajiformes
- Elasmobranchii
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| This map was computer-generated and has not yet been reviewed. |
| Raja brachyura AquaMaps Data sources: GBIF OBIS |
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Raja brachyura
Photo de Bergmann, M.
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Photo de Bergmann, M.
Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa
Élasmobranches (requins et raies) (sharks and rays) > Rajiformes (Skates and rays) > Rajidae (Skates)
Etymology: Raja: Latin, raja, -ae = a sting ray (Raja sp.) (Ref. 45335).
Etymology: Raja: Latin, raja, -ae = a sting ray (Raja sp.) (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range Écologie
marin démersal; profondeur 10 - 380 m (Ref. 6808). Temperate; 60°N - 22°N, 18°W - 24°E
Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri
Eastern Atlantic: Shetland Islands to Morocco, Rio de Oro (Western Sahara), and Madeira.
Length at first maturity / Taille / Poids / Âge
Maturity: Lm 90.2, range 60 - ? cm
Max length : 120 cm TL mâle / non sexé; (Ref. 41333); 125.0 cm TL (female); poids max. publié: 14.3 kg (Ref. 40637)
Max length : 120 cm TL mâle / non sexé; (Ref. 41333); 125.0 cm TL (female); poids max. publié: 14.3 kg (Ref. 40637)
Description synthétique Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 0; Épines anales: 0. Upper surface wholly prickly, except in juveniles; underside only prickly along front margins of disc; orbital thorns separate; a regular median row of 40-45 thorns in juveniles and adult females, interrupted on back in males; 60-90 tooth rows; upper surface ochre, with numerous small dark spots to margins of disc, underside white (Ref. 3167).
Body shape (shape guide): other; Cross section: flattened.
Body shape (shape guide): other; Cross section: flattened.
Found on sand and sand-rock bottoms (Ref. 6808). Feed on all kinds of benthic 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 10.0-14.3 cm long and 5.8-9.0 cm wide (Ref. 41250). About 40-90 eggs are laid per individual every year (Ref. 41250).
Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Spawning mainly from February to August with at least 30 egg-cases laid (Ref. 3167). Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205).
Référence principale
Upload your references | Références | Coordinateur : McEachran, John | Collaborateurs
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Quasi-menacé (NT) (A2bd); Date assessed: 15 April 2023
CITES
Not Evaluated
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: intérêt commercial mineur; pêche sportive: oui
FAO - pêcheries: landings; Publication: search | FishSource | Sea Around Us
Plus d'informations
Trophic ecology
Food items (preys)
Composition du régime alimentaire
Consommation alimentaire
Food rations
Prédateurs
Food items (preys)
Composition du régime alimentaire
Consommation alimentaire
Food rations
Prédateurs
Population dynamics
Paramètres de croissance
Max. ages / sizes
Length-weight rel.
Length-length rel.
Fréquences de longueurs
Mass conversion
Recrutement
Abondance
Paramètres de croissance
Max. ages / sizes
Length-weight rel.
Length-length rel.
Fréquences de longueurs
Mass conversion
Recrutement
Abondance
Life cycle
Reproduction
Maturité
Maturity/Gills rel.
Fécondité
Frai
Spawning aggregations
Œufs
Développement de l'œuf
Larves
Dynamique des populations larvaires
Reproduction
Maturité
Maturity/Gills rel.
Fécondité
Frai
Spawning aggregations
Œufs
Développement de l'œuf
Larves
Dynamique des populations larvaires
Physiology
Body composition
Nutrients
Consommation d'oxygène
Type de nage
Vitesse de nage
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Body composition
Nutrients
Consommation d'oxygène
Type de nage
Vitesse de nage
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
Génétique
Heterozygosity
Héritabilité
Génétique
Heterozygosity
Héritabilité
Human related
Aquaculture systems
Profils d'aquaculture
Souches
Ciguatera cases
Stamps, coins, misc.
Aquaculture systems
Profils d'aquaculture
Souches
Ciguatera cases
Stamps, coins, misc.
Outils
E-book | Guide de terrain | Clés d'identification | Générateur de fréquences de longueur | Outil de dynamique de population | Carte par point | Classification Tree
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Articles particuliers
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Sources Internet
AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher | CISTI | Catalog of Fishes: Genre, Espèce | DiscoverLife | DORIS | ECOTOX | FAO - pêcheries: landings; Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: génôme, nucléotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Bases de données nationales | Otolith Atlas of Taiwan Fishes | Aquariums publics | PubMed | Reef Life Survey | Socotra Atlas | Arbre de Vie | Wikipedia: aller à, chercher | World Records Freshwater Fishing | Zoological Record
Estimates based on models
Preferred temperature (Ref. 123201): 7.1 - 16.2, mean 10.3 °C (based on 462 cells).
Phylogenetic diversity index (Ref. 82804): PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00224 (0.00144 - 0.00348), b=3.27 (3.15 - 3.39), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Niveau trophique (Ref. 69278): 3.8 ±0.61 se; based on food items.
Résilience (Ref. 120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (K=0.12-0.19; tmax=15; Fec=40).
Prior r = 0.20, 95% CL = 0.13 - 0.30, Based on 1 full stock assessment.
Fishing Vulnerability (Ref. 59153): High to very high vulnerability (65 of 100).
Climate Vulnerability (Ref. 125649): High vulnerability (61 of 100).
Nutrients (Ref. 124155): Calcium = 4.69 [0.73, 84.95] mg/100g; Iron = 0.26 [0.02, 2.99] mg/100g; Protein = 16.7 [13.9, 19.0] %; Omega3 = 0.869 [0.349, 2.113] g/100g; Selenium = 14.8 [3.0, 71.4] μg/100g; VitaminA = 7.7 [0.6, 90.3] μg/100g; Zinc = 0.31 [0.02, 3.43] mg/100g (wet weight);