Raja mauritaniensis, African ray

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Raja mauritaniensis White & Fricke, 2021

African ray
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Raja mauritaniensis
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Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (sharks and rays) > Rajiformes (Skates and rays) > Rajidae (Skates)
Etymology: Raja: Latin, raja, -ae = a sting ray (Raja sp.) (Ref. 45335);  mauritaniensis: Named for the geographic region of the type specimens; i.e. Mauritania, to acknowledge the intent by Capapé (1977) to name this skate based on its known distribution..

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

Marine; demersal; depth range 50 - 400 m (Ref. 4426). Subtropical; 38°N - 17°N

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

Eastern Atlantic: Mauritania and the southwestern Mediterranean Sea.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 80.0 cm TL male/unsexed; (Ref. 4426)

Biology     Glossary (e.g. epibenthic)

Found in shelf and slope waters, depending on seasonal lower bottom water temperatures. Feeds on crustaceans and bony fishes (Ref. 3167). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Oviparous (Ref. 3167). Paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).

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. 125652)

  Not Evaluated 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Food consumption
Ration
Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Spawning aggregation
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
BRUVS
References
Aquaculture
Aquaculture profile
Strains
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Allele frequencies
Heritability
Diseases
Processing
Nutrients
Mass conversion
Collaborators
Pictures
Stamps, Coins Misc.
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

E-book | Field guide | Length-frequency wizard | Life-history tool | Point map | Classification Tree | Catch-MSY |

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

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Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 13.5 - 17.4, mean 15.1 °C (based on 42 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00275 (0.00126 - 0.00604), b=3.25 (3.08 - 3.42), in cm total length, based on LWR estimates for this Genus-BS (Ref. 93245).
Trophic level (Ref. 69278):  4.0   ±0.65 se; based on food items.
Resilience (Ref. 120179):  Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (52 of 100) .
Climate Vulnerability (Ref. 125649):   (0 of 100) .
Nutrients (Ref. 124155):  Calcium = 18.9 [3.2, 62.6] mg/100g ; Iron = 0.559 [0.173, 1.616] mg/100g ; Protein = 21 [18, 24] % ; Omega3 = 0.205 [0.063, 0.576] g/100g ; Selenium = 34.8 [7.4, 103.2] μg/100g ; VitaminA = 38.5 [11.8, 119.0] μg/100g ; Zinc = 0.978 [0.461, 2.463] mg/100g (wet weight);