|ECHINODERMATA : OPHIURIDA : Amphiuridae||STARFISH, SEA URCHINS, ETC.|
Description: A small brittle star with very long arms which lives buried in muddy sand. Dorsal and ventral surfaces of the disc are covered with small scales. There are 4-6 conical arm spines, none widened or flattened at the tips and 2 large tentacle scales. Disc 9-10mm. arms 9x disc diameter.
Habitat: This species lives buried in muddy sand and extends its arms across the surface of the substratum, feeding on deposited material.
Distribution: Reported from all round the British Isles mostly below 10 metres but there is some doubt over records from the south.
Similar Species: Other Amphiura species are similar. Mixed populations of this species and Amphiura filiformis are common.
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 |
|Copyright © National Museums of Northern Ireland, 2002-2012|