Raja undulata  Lacepède, 1802

Undulate ray
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Raja undulata   AquaMaps   Data sources: GBIF OBIS
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Image of Raja undulata (Undulate ray)
Raja undulata
Picture by Salesjö, A.

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: Raja: Latin, raja, -ae = a sting ray (Raja sp.) (Ref. 45335).   More on author: Lacepède.

Environment / Climate / Range Ecology

Marine; demersal; depth range 50 - 200 m (Ref. 6808).   Subtropical; 53°N - 15°N, 19°W - 36°E

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 100.0 cm TL male/unsexed; (Ref. 4426)

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

Eastern Atlantic: southern Ireland and England to Senegal, including the western Mediterranean and the Canary Islands. Reported from the eastern Mediterranean (Ref. 3261).

Biology     Glossary (e.g. epibenthic)

Found on sandy bottoms of shelf waters (Ref. 3167). 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 7.2-9.0 cm long and 4.2-5.2 cm wide (Ref. 41303 , 41251, 41304).

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.

IUCN Red List Status (Ref. 90363)

  Endangered (EN) (A2bd+3d+4bd)

Threat to humans

  Harmless




Human uses

Fisheries: commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic Level (Ref. 69278):  3.5   ±0.37 se; Based on food items.
Resilience (Ref. 69278):  Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100).
Vulnerability (Ref. 59153):  High vulnerability (65 of 100) .
Price category (Ref. 80766):   Medium.