Undulate ray (Raja undulata)

Distribution data supplied by the Ocean Biodiversity Information System (OBIS). To interrogate UK data visit the NBN Atlas.Map Help

Summary

Description

The undulate ray Leucoraja circularis is a moderately sized skate and can grow up to 1 m in length. It has a dorsoventrally flattened body with eyes and spiracles at the top of the head. It has a pointed snout. The tail, which is slender, starts from rhomboid pectoral discs. It can be distiguished by the brightly coloured dorsal surface with dark stripes and white spots.

Recorded distribution in Britain and Ireland

Found off the southern and western coasts of England as well as the coasts of Wales and much of Ireland. Most common in the English Channel.

Global distribution

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Habitat

The undulate ray is an offshore demersal species with a depth range of 50-200 m often found on sandy bottoms.

Depth range

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Identifying features

  • Up to 1 m in legth.
  • Brightly coloured dorsal surface with dark stripes and white spots.
  • Pointed snout with a prickly underside.
  • The tail is only slightly longer than the body.
  • Upper surface covered in spines.

Additional information

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Bibliography

  1. Ebert, D.A. & Sulikowski, J.A. (eds.), 2007. Biology of skates. Environmental Biology of Fishes, 80, 107-349.

  2. Froese, R. & Pauly, D., 2007. Fishbase. A global information system on fishes. [On-line] http://www.fishbase.org, 2008-02-18

  3. Howson, C.M. & Picton, B.E., 1997. The species directory of the marine fauna and flora of the British Isles and surrounding seas. Belfast: Ulster Museum. [Ulster Museum publication, no. 276.]

  4. McEachran, J.D. & Dunn, K.A., 1988. Phylogenetic analysis of skates, a morphologically conservative clade of elasmobranchs (Chondrichthyes: Rajidae). Copeia, 2, 271-290.

  5. Picton, B.E. & Costello, M.J., 1998. BioMar biotope viewer: a guide to marine habitats, fauna and flora of Britain and Ireland. [CD-ROM] Environmental Sciences Unit, Trinity College, Dublin.

  6. Whitehead, P.J.P., Bauchot, M.-L., Hureau, J.-C., Nielson, J. & Tortonese, E. 1986. Fishes of the North-eastern Atlantic and the Mediterranean. Vol. I, II & III. Paris: United Nations Educational, Scientific and Cultural Organisation (UNESCO).

Datasets

  1. Centre for Environmental Data and Recording, 2018. Ulster Museum Marine Surveys of Northern Ireland Coastal Waters. Occurrence dataset https://www.nmni.com/CEDaR/CEDaR-Centre-for-Environmental-Data-and-Recording.aspx accessed via NBNAtlas.org on 2018-09-25.

  2. Isle of Wight Local Records Centre, 2017. IOW Natural History & Archaeological Society Marine Records. Occurrence dataset: https://doi.org/10.15468/7axhcw accessed via GBIF.org on 2018-09-27.

  3. Kent & Medway Biological Records Centre, 2017. Fish: Records for Kent. Occurrence dataset https://doi.org/10.15468/kd1utk accessed via GBIF.org on 2018-09-27.

  4. Kent Wildlife Trust, 2018. Kent Wildlife Trust Shoresearch Intertidal Survey 2004 onwards. Occurrence dataset: https://www.kentwildlifetrust.org.uk/ accessed via NBNAtlas.org on 2018-10-01.

  5. Lancashire Environment Record Network, 2018. LERN Records. Occurrence dataset: https://doi.org/10.15468/esxc9a accessed via GBIF.org on 2018-10-01.

  6. NBN (National Biodiversity Network) Atlas. Available from: https://www.nbnatlas.org.

  7. OBIS (Ocean Biodiversity Information System),  2024. Global map of species distribution using gridded data. Available from: Ocean Biogeographic Information System. www.iobis.org. Accessed: 2024-12-22

  8. Scottish Shark Tagging Programme, 2018. Capture Mark Recapture Data for Scottish Elasmobranchs: 2009-2018. Occurrence dataset: https://doi.org/10.15468/znol4z accessed via GBIF.org on 2018-10-02.

Citation

This review can be cited as:

Barnes, M.K.S. 2008. Raja undulata Undulate ray. In Tyler-Walters H. and Hiscock K. Marine Life Information Network: Biology and Sensitivity Key Information Reviews, [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 22-12-2024]. Available from: https://www.marlin.ac.uk/species/detail/71

Last Updated: 17/04/2008