|ECHINODERMATA : ECHINOIDA : Strongylocentrotidae||STARFISH, SEA URCHINS, ETC.|
Description: A medium-sized regular sea urchin found only in the northern part of the British Isles. Colour is greenish-brown with large conspicuous pedicellariae obvious amongst the spines. The spines are greenish with white tips. The tube-feet are in arcs of 5-6. Up to 8cm. in diameter.
Habitat: A typical shore form, also common in shallow water at sheltered sites often in fairly strong currents.
Distribution: Confined to the north of the British Isles, common in Shetland and recorded from NE coasts of Scotland and the North Sea.
Similar Species: The distribution does not overlap with Paracentrotus lividus and this is a more robust urchin than Psammechinus miliaris.
Key Identification Features:
Distribution Map from BioMar data for Ireland - Google Earth map: download this placemark (not got Google Earth installed?)
Distribution Map from NBN: JNCC MNCR Seasearch data - Grid map : Interactive map : National Biodiversity Network mapping facility, data for UK.
|Picton, B.E. & Morrow, C.C., 2010. [In] Encyclopedia of Marine Life of Britain and Ireland |
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