BIOTIC Species Information for Cerastoderma glaucum
Researched byNicola White Data supplied byMarLIN
Refereed byDr Richard S.K. Barnes
Distribution and Habitat
Distribution in Britain & IrelandOrkney, Firth of Forth, East Anglia, Deben & Orwell estuaries, south coast of England, south Wales, the west coast of Scotland, and south and west coasts of Ireland.
Global distributionOccurs from Norway and the Baltic to the Mediterranean and Black Seas.
Biogeographic rangeNot researched Depth rangeShallow
MigratoryNon-migratory / Resident   
Distribution Additional InformationThe adult and juvenile populations are distributed differently. Juveniles (0.5-10 mm) attach to filamentous algae by means of byssus threads. When they reach a certain age, they migrate to the adult free-living sediment population (Labourg & Lasserre, 1980).

Substratum preferencesCoarse clean sand
Fine clean sand
Sandy mud
Muddy sand
Physiographic preferencesEstuary
Isolated saline water (Lagoon)
Biological zoneLower Eulittoral
Sublittoral Fringe
Wave exposureSheltered
Very Sheltered
Tidal stream strength/Water flowWeak (<1 kn)
SalinityLow (<18 psu)
Variable (18-40 psu)
Habitat Preferences Additional Information
Distribution References Labourg & Lasserre, 1980, Barnes, 1973, Boyden, 1972, Boyden & Russel, 1972, Barnes, 1980b, Barnes, 1994, Brock, 1979, Rygg, 1970, Ansell et al., 1981, Seaward, 1982, Seaward, 1990, Anonymous, 1999(s),
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