New Zealand Cockle
NameNew Zealand Cockle
Scientific NameAustrovenus stutchburyi
Common NameNew Zealand Cockle, Tuangi
FamilyVeneridae
GenusAustrovenus
Speciesstutchburyi
Geographic DistributionEndemic to New Zealand, found throughout the North and South Islands, including Stewart Island and the Chatham Islands.
Habitatintertidal
Average Size (mm)Typically ranges from 30 to 60 mm in length, with some individuals reaching up to 70 mm.
Identifying FeaturesKey identifying features include the prominent, regular, and numerous concentric growth ridges (ribs) on the exterior surface. The shell is thick and robust. Its overall rounded to broadly oval shape and the slightly anterior umbones are also characteristic.
Dietfilter-feeder
Raritycommon
Author Citation(Gray, 1828)
Description
A common and ecologically significant bivalve mollusc endemic to New Zealand. It is characterized by its robust, rounded to broadly oval shell with prominent concentric growth ridges. These cockles are often found in large numbers, forming dense beds in intertidal and shallow subtidal zones of estuaries and sheltered bays.
