Parasitic anemone (Calliactis parasitica)

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

Summary

Description

Column taller than wide, may be up to 8 cm high by 5 cm wide, firm and stiff. Numerous slender tentacles, up to 700, of moderate length present. Small blister-like pores (cinclides) present at the base of the animal, through which long thread-like acontia can be expelled. Base colour cream or buff, blotched and streaked with reddish or greyish brown, tending to form vertical stripes.

Recorded distribution in Britain and Ireland

Found from the southwest coast of England, east to the Bill of Portland. It has also been recorded from Tralee Bay on the east coast of Ireland.

Global distribution

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Habitat

Typically found in association with a hermit crab, Pagurus bernhardus. It occasionally lives alone attached to rock or empty shells. It is rarely intertidal but locally common offshore to depths of about 60 m.

Depth range

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Identifying features

  • Up to 8 cm high and 5 cm wide.
  • Column blotched and streaked red or grey brown in colouration.
  • Up to 700 slender tentacles.
  • Firm, stiff column.
  • Blister-like pores at base of column.
  • Usually found in association with the hermit crab Pagurus bernhardus.

Additional information

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Listed by

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Further information sources

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Bibliography

  1. Crothers, J.H. (ed.), 1966. Dale Fort Marine Fauna. London: Field Studies Council.

  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. 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

  6. 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.

Datasets

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

  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),  2024. Global map of species distribution using gridded data. Available from: Ocean Biogeographic Information System. www.iobis.org. Accessed: 2024-11-26

Citation

This review can be cited as:

Bleach, J. 2007. Calliactis parasitica Parasitic anemone. 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 26-11-2024]. Available from: https://www.marlin.ac.uk/species/detail/1442

Last Updated: 13/02/2007