BIOTIC Species Information for Protanthea simplex
Researched byAngus Jackson Data supplied byMarLIN
Refereed byDr Ib Svane
Distribution and Habitat
Distribution in Britain & IrelandFrom the northern Firth of Clyde all along the west coast of Scotland, particularly in sea lochs. Not recorded in Orkney or Shetland. Recently (June 2006) found in Killary Harbour, Connemara.
Global distributionKillary Harbour (Connermara, Galway), Western Scotland out to Rockall Bank, round the coasts of the Skagerrak and northern Kattegat, Norway.
Biogeographic rangeNot researched Depth range9m to at least 500m
MigratoryNon-migratory / Resident   
Distribution Additional InformationNone entered

Substratum preferencesBedrock
Biogenic reef
Large to very large boulders
Small boulders
Physiographic preferencesStrait / sound
Offshore seabed
Biological zoneLower Infralittoral
Upper Circalittoral
Lower Circalittoral
Wave exposureSheltered
Very Sheltered
Extremely Sheltered
Ultra Sheltered
Tidal stream strength/Water flowWeak (<1 kn)
Very Weak (negligible)
SalinityFull (30-40 psu)
Variable (18-40 psu)
Habitat Preferences Additional InformationNone entered
Distribution References Nyholm, 1959, Carlgren, 1921, Manuel, 1988,
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