Biodiversity & Conservation

Macoma balthica and Abra alba in infralittoral muddy sand or mud


<i>%Macoma balthica%</i> and <i>%Abra alba%</i> in infralittoral muddy sand or mud
Distribution map

SS.IMS.FaMS.MacAbr recorded (dark blue bullet) and expected (light blue bullet) distribution in Britain and Ireland (see below)

  • EC_Habitats

Marine natural heritage importance

Listed under EC Habitats Directive
National importance Not available
Habitat Directive feature (Annex 1) Sandbanks which are slightly covered by sea water all the time
Large shallow inlets and bays

Biotope importance

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The brown shrimp Crangon crangon which may be present in the IMS.MacAbr biotope, is a commercially targeted species and is caught using various designs of beam and otter trawls.

Additional information icon Additional information

Subtidal mud / sandflats are important in supporting predator communities such as mobile macrofauna, demersal fishes and sea birds (Elliott et al., 1998)

This review can be cited as follows:

Budd, G.C. 2007. Macoma balthica and Abra alba in infralittoral muddy sand or mud. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 26/11/2015]. Available from: <>