Grooved carpet shell
 The grooved carpet shell Ruditapes decussatus is a clam or bivalve mollusc in the family Veneridae. It is distributed worldwide and due to its ecological and economic interest has been proposed as a bioindicator. This species is one of the most popular and profitable mollusc of lagoonal and coastal sites in the Mediterranean where it was collected for a long time as food. It is consumed fresh and canned.