The Burry Inlet and Loughor estuary, near Swansea, is a major habitat for the popular and widespread common cockle (Cerastoderma edule). Like other bivalve species, cockle populations are prone to ...

Cockles are sometimes called blood clams because the liquid that the raw (or lightly blanched) bivalves release when opened is dark red. They look similar to clams, except that cockle shells have ...