Dog cockle

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About Dog Cockle
The dog cockle, scientifically known as Glycymeris glycymeris, is a member of the Cardiidae family of the Veneroida order. The dog cockle is a bivalve mollusk which has round-shaped shells which appear to be quite fragile. The bivalve shell is symmetrical and it has the form of a heart and it presents powerfully marked ribs. The layer has three openings: two for breathing (inhaling and exhaling) and one for moving. The first two holes are for siphoning water and the third for the foot to stick out. Dog cockles usually move by using the foot and feed by draw off or drawing in water, filtering plankton from it. They are as well able to leap by bending and straightening the foot. Different from most bivalves, dog cockles are hermaphroditic meaning that they are primarily men becoming afterwards females. They also have the ability of reproducing quite fast. Dog cockles have a white shell and the inside is as well white. Dog cockles are collected from the beach and they are an important source of food both for humans as well as for numerous types of birds.