BIOTIC Species Information for Umbonula littoralis
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Researched by | Dr Keith Hiscock | Data supplied by | MarLIN |
Refereed by | Dr Peter J. Hayward | ||
Distribution and Habitat | |||
Distribution in Britain & Ireland | Present all around the British Isles. | ||
Global distribution | Present from Bergen, Norway south along the western Atlantic coast to at least the Channel Isles and western Brittany. Not present in the Mediterranean. | ||
Biogeographic range | Not researched | Depth range | Intertidal to 6 m |
Migratory | Non-migratory / Resident | ||
Distribution Additional Information | No text entered | ||
Substratum preferences | Bedrock Large to very large boulders Small boulders Cobbles |
Physiographic preferences | Open coast Strait / sound Ria / Voe Enclosed coast / Embayment |
Biological zone | Sublittoral Fringe Upper Infralittoral |
Wave exposure | Extremely Exposed Very Exposed Exposed Moderately Exposed Sheltered |
Tidal stream strength/Water flow | Very Strong (>6 kn) Strong (3-6 kn) Moderately Strong (1-3 kn) Weak (<1 kn) |
Salinity | Full (30-40 psu) |
Habitat Preferences Additional Information | |||
Distribution References | Hastings, 1944, Hayward & Ryland, 1979, NBN, 2002, Picton & Costello, 1998, |