BIOTIC Species Information for Ahnfeltia plicata
Click here to view the MarLIN Key Information Review for Ahnfeltia plicata
Researched byWill Rayment Data supplied byMarLIN
Refereed byDr Fabio Rindi
Distribution and Habitat
Distribution in Britain & IrelandOccurs on all coasts of Britain and Ireland. There is a paucity of records from south east England, reflecting a lack of suitable substrata.
Global distributionOccurs in Europe from northern Russia to southern Portugal and in the Baltic Sea. Occurs in the Americas from arctic Canada to Mexico and is widely distributed in the Indian and Pacific Oceans.
Biogeographic rangeNot researched Depth rangelower shore to 22 m
MigratoryNon-migratory / Resident   
Distribution Additional InformationLüning (1990) suggested that Ahnfeltia plicata typically occurs as an understory algae beneath Laminaria sp. at depths of 1.5 to 4 m.

Substratum preferencesBedrock
Cobbles
Pebbles
Coarse clean sand
Physiographic preferencesOpen coast
Strait / sound
Enclosed coast / Embayment
Biological zoneLower Eulittoral
Upper Infralittoral
Sublittoral Fringe
Lower Infralittoral
Wave exposureExposed
Moderately Exposed
Sheltered
Tidal stream strength/Water flowModerately Strong (1-3 kn)
Weak (<1 kn)
SalinityFull (30-40 psu)
Variable (18-40 psu)
Reduced (18-30 psu)
Habitat Preferences Additional Information
Distribution References Fish & Fish, 1996, Dickinson, 1963, Dixon & Irvine, 1977, Maggs & Pueschel, 1989, Lüning, 1990, JNCC, 1999, Picton & Costello, 1998, Lewis, 1964, Connor et al., 1997(a), Hardy & Guiry, 2003,
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