Spiny starfish (Marthasterias glacialis)

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

Summary

Description

Marthasterias glacialis is a large starfish up to 70 cm across, commonly 25-30 cm. It has 5 narrow tapering arms with 3 rows of longitudinal spines along each arm. The spines are white, usually with purple tips. spines are surrounded by specialised minute modified spines (pedicellariae), which are used for protection and to gather food. Marthasterias glacialis can be dirty brown to pale greyish green in colour with purple tips to the arms.

Recorded distribution in Britain and Ireland

Marthasterias glacialis is recorded from the southwest and west coast of England and the west coast of Scotland. It has only been recorded at one site on the east coast (St Abbs, Scotland) and has not been recorded in the eastern English Channel.

Global distribution

Marthasterias glacialis is found from northern Norway to the Mediterranean and West Africa.

Habitat

Marthasterias glacialis is found from extreme low water to about 200 m. It can be found in a variety of habitats from sheltered muddy sites to wave exposed rock faces.

Depth range

-

Identifying features

  • Up to 70 cm across.
  • 5 narrow tapering arms
  • Arms with 3 longitudinal rows of white, spines (usually purple tipped).
  • Spines surrounded by cushions of pedicellariae.
  • Pale grey to green tinged with purple, yellow or reddish in colour.

Additional information

Small individuals of Marthasterias glacialis may be confused with Leptasterias mulleri (Northern starfish).

Listed by

- none -

Further information sources

Search on:

Bibliography

  1. Fish, J.D. & Fish, S., 1996. A student's guide to the seashore. Cambridge: Cambridge University Press.

  2. Hayward, P., Nelson-Smith, T. & Shields, C. 1996. Collins pocket guide. Sea shore of Britain and northern Europe. London: HarperCollins.

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

  4. 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.]

  5. Hyman, L.V., 1955. The Invertebrates: Vol. IV. Echinodermata. The coelomate Bilateria. New York: McGraw Hill.

  6. JNCC (Joint Nature Conservation Committee), 1999. Marine Environment Resource Mapping And Information Database (MERMAID): Marine Nature Conservation Review Survey Database. [on-line] http://www.jncc.gov.uk/mermaid

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

  8. 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.

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

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. Fenwick, 2018. Aphotomarine. Occurrence dataset http://www.aphotomarine.com/index.html Accessed via NBNAtlas.org on 2018-10-01

  3. Manx Biological Recording Partnership, 2022. Isle of Man historical wildlife records 1990 to 1994. Occurrence dataset:https://doi.org/10.15468/aru16v accessed via GBIF.org on 2024-09-27.

  4. National Trust, 2017. National Trust Species Records. Occurrence dataset: https://doi.org/10.15468/opc6g1 accessed via GBIF.org on 2018-10-01.

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

  6. OBIS (Ocean Biodiversity Information System),  2024. Global map of species distribution using gridded data. Available from: Ocean Biogeographic Information System. www.iobis.org. Accessed: 2024-12-21

  7. Outer Hebrides Biological Recording, 2018. Invertebrates (except insects), Outer Hebrides. Occurrence dataset: https://doi.org/10.15468/hpavud accessed via GBIF.org on 2018-10-01.

Citation

This review can be cited as:

Ager, O.E.D. 2008. Marthasterias glacialis Spiny starfish. 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 21-12-2024]. Available from: https://marlin.ac.uk/species/detail/1688

Last Updated: 29/04/2008