BIOTIC

BIOTIC Species Information for Corallina officinalis
All Taxonomy Biology Distribution Reproduction

Researched by	Dr Harvey Tyler-Walters	Data supplied by	MarLIN
Refereed by	Dr Thomas Wiedemann
Distribution and Habitat
Distribution in Britain & Ireland	Generally distributed around all shores of the British Isles.
Global distribution	Recorded widely in the north Atlantic, from northern Norway to Morocco, from Greenland to Argentina. Also reported in Japan, China and Australasia.
Biogeographic range	Not researched	Depth range	0 - 18m
Migratory	Non-migratory / Resident
Distribution Additional Information	In exposed conditions it may grow as a cushion like or compact turf (Irvine & Chamberlain 1994; Dommasnes 1968). Corallina officinalis growing under macroalgal canopies may be abraded and fronds shortened by macroalgal lamina moved by tidal action. Recorded from Scandinavia, Iceland, northern Norway, Baltic Sea, Helgoland, Faroes, Netherlands, northern France, Spain, Portugal, the Azores, Morocco, Madeira, and the Canary Islands in the north east Atlantic. Reported from Spain, Balearic Islands, Corsica, Sardinia, Italy, Scilly, Adriatic, Greece, Turkey, Levant States, Libya, Tunisia, and Algeria in the Mediterranean. It is also recorded from west coast of South Africa., Japan, China, Australia (Queensland) and New Zealand. Also recorded from Greenland and Arctic Canada to the USA, Caribbean Venezuela, Columbia and Argentina.

Substratum preferences	Artificial (e.g. metal/wood/concrete) Bedrock Large to very large boulders Rockpools Crevices / fissures	Physiographic preferences	Open coast Strait / sound Sealoch Ria / Voe Estuary Enclosed coast / Embayment
Biological zone	Mid Eulittoral Sublittoral Fringe Upper Infralittoral Lower Eulittoral	Wave exposure	Very Exposed Exposed Moderately Exposed Sheltered
Tidal stream strength/Water flow	Moderately Strong (1-3 kn) Weak (<1 kn) Very Weak (negligible)	Salinity	Variable (18-40 psu) Full (30-40 psu)
Habitat Preferences Additional Information
Distribution References	Fish & Fish, 1996, Irvine & Chamberlain, 1994, Dickinson, 1963, Guiry, 2000, Norton, 1985, JNCC, 1999, Picton & Costello, 1998, Johansen, 1974, Dommasnes, 1968, Bamber & Irving, 1993, Hardy & Guiry, 2003,