BIOTIC Species Information for Bugula turbinata
Researched byDr Harvey Tyler-Walters Data supplied byMarLIN
Refereed byDr Peter J. Hayward
Distribution and Habitat
Distribution in Britain & IrelandA southern species predominantly found on the south and southwest coasts of England and Wales but with records from Shetland, Orkney, the north east coast, Ireland, the west coast of Scotland and St. Kilda.
Global distributionRecorded from Britain to the Mediterranean.
Biogeographic rangeNot researched Depth rangeLower shore to ca 21m.
MigratoryNon-migratory / Resident   
Distribution Additional InformationBugula turbinata has been reported on the lower shore to al least 21 m in Lundy (Hiscock, 1985b; Hayward & Ryland, 1998). Although found in a variety of wave exposed habitats, the microhabitat occupied by Bugula turbinata, under boulders, overhangs and crevices is probably protected from direct wave action. Although found in wave sheltered situations or weak tidal streams, some water flow is probably important to bring food and nutrient-laden water to the colonies and ensure an adequate supply of hard substrata. The abundance of bryozoans is positively correlated with supply of hard substrata and hence with current strength (Eggleston, 1972b; Ryland, 1976). Bugula spp. are characteristic fouling bryozoans, and may be found in the intake pipes of ships or power stations, and on ships hulls. The geographic distribution of Bugula species has been extended by transportation by shipping (Ryland, 1967). However, no information on transportation of Bugula turbinata was found.

Substratum preferencesArtificial (e.g. metal/wood/concrete)
Large to very large boulders
Small boulders
Crevices / fissures
Physiographic preferencesOpen coast
Strait / sound
Ria / Voe
Enclosed coast / Embayment
Biological zoneLower Eulittoral
Sublittoral Fringe
Upper Infralittoral
Lower Infralittoral
Wave exposureVery Exposed
Moderately Exposed
Very Sheltered
Tidal stream strength/Water flowStrong (3-6 kn)
Moderately Strong (1-3 kn)
Weak (<1 kn)
SalinityFull (30-40 psu)
Habitat Preferences Additional Information
Distribution References Hayward & Ryland, 1998, Ryland, 1967, Ryland, 1970, Ryland, 1976, Wendt, 2000, JNCC, 1999, NBN, 2002, Eggleston, 1972b, Hiscock, 1985, Lewis, 1964, Hiscock & Mitchell, 1980, Hiscock, 1985 (b), Castric-Fey & Chassé, 1991, Castric-Fey, 1974,
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