information on the biology of species and the ecology of habitats found around the coasts and seas of the British Isles

Cerastoderma edule with Abra nitida in infralittoral mud



UK and Ireland classification

UK and Ireland classification


Sheltered shallow sublittoral muds and gravelly muds in marine embayments, inlets or harbours may contain populations of the edible cockle Cerastoderma edule with Abra nitida. Other taxa may include the gastropod Hydrobia ulvae, cirraltulid polychaetes such as Caulleriella spp. and other polychaetes including Hediste diversicolor and Aphelochaeta marioni. Available data for this biotope are limited to parts of Southampton Water, Chichester Harbour and also in the Wash. The species list given here may therefore be far from complete. It is not known at this stage whether this biotope is a sublittoral extension of intertidal cockle beds (e.g. LSA.CerPo) or whether it exists independently of intertidal populations of Cerastoderma edule (JNCC; 2015).

Depth range

0-5 m, 5-10 m

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Sensitivity reviewHow is sensitivity assessed?



Species indicative of sensitivity


Physical Pressures

No sensitivity data available

Chemical Pressures

No sensitivity data available

Biological Pressures

No sensitivity data available

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This review can be cited as:

Tillin, H.M. & Tyler-Walters, H., 2016. [Cerastoderma edule] with [Abra nitida] in infralittoral mud. In Tyler-Walters H. and Hiscock K. (eds) Marine Life Information Network: Biology and Sensitivity Key Information Reviews, [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 18-06-2018]. Available from:

Last Updated: 04/01/2016