| Basic Information | Biotope classification | Ecology | Habitat preferences and distribution | Species composition | Sensitivity | Importance |

Image Dominic Counsell - Aggregation of Ocnus planci on broken shell and cobbles. Image width ca 40 cm.
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SS.SMu.IFiMu.Ocn recorded (
) and expected (
) distribution in Britain and Ireland (see below)
Temperature range preferences - Data deficient
Water clarity preferences - Data deficient
Limiting Nutrients - Not relevant
Other preferences - Hard substrata
The biotope is characterized by the presence of hard substrata (cobbles, pebbles, gravel, and shell debris) in muddy or sandy habitats.
This review can be cited as follows:
Tyler-Walters, H. 2002. Ocnus planci aggregations on sheltered sublittoral muddy sediment. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 21/05/2013]. Available from: <http://www.marlin.ac.uk/habitatpreferences.php?habitatid=325&code=2004>