DSC_5731 Pacific oyster (Crassostrea gigas) oyster farm, showing oyster racks at low tide. Shells are large, heavy and sharp edged, becoming elongated as they grow. Valves can have variable amounts of purple splashed across them. Will establish on soft substrates such as mud, and has aggressively colonised intertidal, and subtidal mudflats since it first appeared in NZ around 1971. Mahurangi Harbour
DSC_5734 Pacific oyster (Crassostrea gigas) oyster farm, showing oyster racks at low tide. Shells are large, heavy and sharp edged, becoming elongated as they grow. Valves can have variable amounts of purple splashed across them. Will establish on soft substrates such as mud, and has aggressively colonised intertidal, and subtidal mudflats since it first appeared in NZ around 1971. Mahurangi Harbour
DSC_7596 Rock oysters, or tio para (Ostrea chilensis) and Cat's eye snails (Lunella smaragdus), revealed at low tide on rocks in Otago Harbour *
