Crabs including: burrowing mud crab, NZ paddle crab
Shellfish including: large trough shell, triangle shell, tuatua, horse mussel, ringed venus shell or coarse biscuit.
Some of the other fauna you might come across when visiting the estuary include:
Katipo. Endangered. Lives in dunes. Bites only as last resort. One of very few dangerous native animals. Related to Australian redback.