This record summarises the data collected from water column sampling of plankton shellfish in Port Underwood, Queen Charlotte Sound, Pelorus Sound and Golden Bay. Temporal coverage: unknown Number of sites: unknown Sampling Frequency: unknown Main marine environment sampled: Coastal (sounds) Depth zone: N/A Sediment type: N/A Community association: Water Sampling Method: Water samples, specimen collection Parameters Collected: Planktonic Shellfish Measured Variables: Biotoxins, bacteria and heavy metals Species/Community data: Planktonic shellfish Other data collected: NIWA has physical data for many of the sites - contact Mark Gall at [email protected] Collection: ongoing Quality assurance: unknown