BIOTIC Species Information for Crangon crangon
Click here to view the MarLIN Key Information Review for Crangon crangon
Researched byKen Neal Data supplied byMarLIN
Refereed byThis information is not refereed.
Distribution and Habitat
Distribution in Britain & IrelandFound on sandy and muddy bottoms around all British and Irish coasts.
Global distributionFound from the Finnish coast South into the Baltic and into the Mediterranean.
Biogeographic rangeNot researched Depth rangeIntertidal to 150 metres
Migratory   
Distribution Additional InformationSix distinct populations of Crangon crangon have been identified around the English and Welsh coasts.
  • Northern North Sea from Spurn Head northwards.
  • Southern North Sea from Spurn Head to Dungeness including the Dutch and Belgian coasts.
  • English Channel from Dungeness West to Start Point and the north coast of France.
  • South West Britain, the Atlantic coast of Devon, Cornwall and Wales to the northern areas of Cardigan Bay.
  • A Bristol Channel population that has its eastern limit between Nash Point and Porlock Bay.
  • Irish Sea north from northern areas of Cardigan Bay.
All populations are kept distinct by fronts of water masses preventing larval mixing (Henderson et al., 1990).

Substratum preferencesFine clean sand
Mud
Muddy sand
Sandy mud
Physiographic preferencesOpen coast
Offshore seabed
Strait / sound
Sealoch
Ria / Voe
Estuary
Isolated saline water (Lagoon)
Enclosed coast / Embayment
Biological zoneMid Eulittoral
Lower Eulittoral
Sublittoral Fringe
Upper Infralittoral
Lower Infralittoral
Upper Circalittoral
Lower Circalittoral
Circalittoral Offshore
Wave exposureVery Exposed
Exposed
Moderately Exposed
Sheltered
Very Sheltered
Extremely Sheltered
Ultra Sheltered
Tidal stream strength/Water flowModerately Strong (1-3 kn)
Weak (<1 kn)
SalinityFull (30-40 psu)
Low (<18 psu)
Variable (18-40 psu)
Reduced (18-30 psu)
Habitat Preferences Additional Information
Distribution References Henderson et al., 1990, Pinn & Ansell, 1993, Al-Adhub & Naylor, 1975, Boddeke, 1975,
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