Sandy creeplet (Epizoanthus couchii)
|Researched by||Hugh Jones||Refereed by||Admin|
|Authority||(Johnston in Couch, 1844)|
|Other common names||-||Synonyms||-|
Polyps are variable in size, up to 12 mm long and 4 mm in diameter. There are 12-16 well defined marginal teeth. Polyps arise from a stolon-like band of tissue. Tentacles number between 24-32 but 28 is typical. The tentacles are long in extension and taper evenly to their tips, each of which bears a tiny but distinct terminal knob. The disc and tentacles are colourless, sometimes freckled. The column maybe whitish, buff or pink. The species is often covered in a fine layer of sand which can cover the stolon, the lower parts of the column, and extend upwards to the marginal teeth.
Recorded distribution in Britain and IrelandCommon around the western and southern coasts of Britain it remains unrecorded in the North sea. Epizoanthus couchii also been recorded in southern Ireland.
Global distributionReported from the coasts of northern France, Germany and Norway.
HabitatEncrusting on rocks and shells from low water of spring tide level to 100 m depth often overgrown by other species and easily overlooked when its polyps are retracted. Common in habitats subject to moderate tidal streams and some sediment scour.
- Colonial habit, polyps usually arising from a narrow basal band.
- 24-32 tentacles, transparent with white tip.
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This review can be cited as:
Last Updated: 17/04/2008