Invasive gold clam confirmed in Taranaki prompting Whanganui River warnings
Tuesday 18 November 2025 · 2 outlets · 2 reports · updated In this story Horizons Regional Council
Authorities are increasing detection and prevention efforts in the Whanganui River following the confirmation of invasive freshwater gold clams in Taranaki. The species, which is already established in Waikato, can produce up to 400 juveniles daily under ideal conditions. The Whanganui River Clam Response Group is working to prevent the species from spreading.
