A sea cucumber (Paraleptopentacta elongata)

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

Summary

Description

Paraleptopentacta elongata is a burrowing sea cucumber, which lives in U-shaped burrows. Its cylindrical body tapers at both ends with ten white, bushy tentacles at one end and the anus at the other end both protruding out into the water column. It has five distinct double rows of tube feet. The skin is thick and tough. Its narrow body may reach up to 15 cm in length and is brown to off-white in colour.

Recorded distribution in Britain and Ireland

Found throughout British and Irish waters as far north as the Shetlands and as far south as the western English Channel.

Global distribution

Recorded from the Noth Atlantic from Bear Island in the Barents Sea south to Spain and Portugal, and into the Mediterranean.

Habitat

Paraleptopentacta elongata is a sublittoral benthic species often found buried in sandy or muddy sediment down to a depth of 70 m.

Depth range

0-70 m

Identifying features

  • Up to 15 cm in length, 1 cm in diameter.
  • Brown body colouration.
  • Thin, curved body with long tapering tail and tapering head.
  • Five rows of tube feet.
  • Ten small, white, sparsely-branched tentacles: eight large and two small.
  • Spicules are smooth plates with holes.

Additional information

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Listed by

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Further information sources

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Bibliography

  1. Hayward, P.J. & Ryland, J.S. (ed.) 1995b. Handbook of the marine fauna of North-West Europe. Oxford: Oxford University Press.

  2. 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.]

  3. Mortensen, T.H., 1927. Handbook of the echinoderms of the British Isles. London: Humphrey Milford, Oxford University Press.

  4. Picton, B.E., 1993. A field guide to the shallow-water echinoderms of the British Isles. London: Immel Publishing Ltd.

  5. Southward, E.C. & Campbell, A.C., 2006. Echinoderms. The Linnean Society of London. Avon: The Bath Press. [Synopses of the British Fauna No. 56.]

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 Invertebrate Records 1853- 2011. Occurrence dataset: https://doi.org/10.15468/d9amhg accessed via GBIF.org on 2018-09-27.

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

  4. OBIS (Ocean Biodiversity Information System),  2023. Global map of species distribution using gridded data. Available from: Ocean Biogeographic Information System. www.iobis.org. Accessed: 2023-11-30

Citation

This review can be cited as:

Barnes, M.K.S. 2008. Paraleptopentacta elongata A sea cucumber. 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 30-11-2023]. Available from: https://marlin.ac.uk/species/detail/136

Last Updated: 22/05/2008