Soft-shell clams or Sand gaper, scientific name Mya arenaria, popularly called "steamers", "softshells", "piss clams", "Ipswich clams", or "Essex clams", are a species of edible saltwater clam, a marine bivalve mollusk in the family Myidae.
A sea otter at Moss Landing, California, eating what appear to be Mya arenaria
Image: Mya arenaria (strandgaperbroed op balgzand 8326 sd)