BIOTIC Species Information for Delesseria sanguinea
Researched byDr Harvey Tyler-Walters Data supplied byMarLIN
Refereed byDr Joanna Jones
Distribution and Habitat
Distribution in Britain & IrelandRecorded from all coasts of the British Isles. However, records from the east coasts are sparse, presumably due to the lack of suitable substrata.
Global distributionRecorded from the north eastern coast of Iceland to the Russian coast near Murmansk. Its southern limit is in Sables d'Olonnes, northern France. It is also found in the Baltic.
Biogeographic rangeNot researched Depth rangeLower eulittoral to at least 30 m
MigratoryNon-migratory / Resident   
Distribution Additional Information

Substratum preferencesBedrock
Large to very large boulders
Small boulders
Physiographic preferencesStrait / sound
Ria / Voe
Enclosed coast / Embayment
Biological zoneLower Eulittoral
Upper Infralittoral
Sublittoral Fringe
Wave exposureExtremely Exposed
Very Exposed
Moderately Exposed
Tidal stream strength/Water flowModerately Strong (1-3 kn)
Weak (<1 kn)
SalinityVariable (18-40 psu)
Full (30-40 psu)
Reduced (18-30 psu)
Habitat Preferences Additional Information
Distribution References Norton, 1985, Maggs & Hommersand, 1993, Lüning, 1990, South & Tittley, 1986, Dickinson, 1963, Rietema, 1993, Kain, 1987, Molenaar & Breeman, 1997, JNCC, 1999, Picton & Costello, 1998, Hardy & Guiry, 2003,
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