New Zealand Littleneck Clam stock photoThe New Zealand Littleneck Clam, more traditionally known as the New Zealand cockle, tuaki or tuangi, is the single most abundant large invertebrate animal found on intertidal sand flats in sheltered harbours and estuaries throughout New Zealand. They are widespread in New Zealand waters, where they are found in beds of soft mud and coarse sand in estuaries, enclosed shores and protected beaches around all the major islands. Several animals prey on littleneck clams, including wading birds, fish, crabs and sea-stars.