Biodiversity & Conservation

Musculus discors beds on moderately exposed circalittoral rock


<i>%Musculus discors% </i>beds on moderately exposed circalittoral rock
Distribution map

CR.MCR.CMus.Mdis 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 Uncommon
Habitat Directive feature (Annex 1) Reefs
Large shallow inlets and bays

Biotope importance

The Musculus discors carpet probably provides a locally important food source for mobile predators such as crabs, starfish and some fish but no information was found.


Musculus discors is not subject to exploitation. Where kelps are present, they may be subject to harvesting (see sensitivity to extraction).

Additional information icon Additional information

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This review can be cited as follows:

Tyler-Walters, H. 2002. Musculus discors beds on moderately exposed circalittoral rock. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 24/11/2015]. Available from: <>