BIOTIC Species Information for Cladophora rupestris
Researched byGeorgina Budd Data supplied byMarLIN
Refereed byDr Fabio Rindi
Distribution and Habitat
Distribution in Britain & IrelandFound all round the coast of Britain and Ireland on suitable substrata.
Global distributionSee additional information.
Biogeographic rangeNot researched Depth rangeIntertidal to a few metres sublittorally.
MigratoryNon-migratory / Resident   
Distribution Additional InformationThe species occurs throughout the year but attains maximum development in summer near low tide level (Burrows, 1991). It is mostly an intertidal species although it may also extend into the sublittoral but only by a few metres (F. Rindi, pers. comm.).

Global distribution
European Atlantic coast from Scandinavia to the Mediterranean, Adriatic, Baltic Sea, Murman Sea and White Sea. Atlantic coasts of North America from Canadian Arctic, south to Massachusetts, Greenland, Iceland and Faeroes. Also found in Morocco, Brazil, Japan, Lord Howe Island (Australia) and in the Antarctic (Guiry & Nic Dhonncha, 2002).
Substratum preferencesBedrock
Small boulders
Cobbles
Algae
 Physiographic preferencesOpen coast
Strait / sound
Sealoch
Ria / Voe
Enclosed coast / Embayment
Biological zoneSupralittoral
Upper Littoral Fringe
Lower Littoral Fringe
Upper Eulittoral
Mid Eulittoral
Lower Eulittoral
Sublittoral Fringe
Upper Infralittoral
Lower Infralittoral
 Wave exposureVery Exposed
Exposed
Moderately Exposed
Sheltered
Tidal stream strength/Water flowModerately Strong (1-3 kn)
 SalinityFull (30-40 psu)
Low (<18 psu)
Reduced (18-30 psu)
Variable (18-40 psu)
Habitat Preferences Additional InformationNone entered
Distribution References Norton, 1985, Dickinson, 1963, Hayward et al., 1996, Burrows, 1991, Hardy & Guiry, 2003, Guiry & Nic Dhonncha, 2002,
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