Toi Moana Biosecurity Summer Biosecurity Ambassadors have been travelling around the bay this summer to spread the word on preventing the spread of marine pests such as invasive exotic caulerpa. This nasty seaweed can smother the sea floor to stop our native kaimoana from thriving. It has not reached the Bay of Plenty but has…

Mediterranean fanworm was first detected in New Zealand in 2008 and is now present in several harbours, including many parts of the of the upper North Island. They form dense beds of up to 1,000 individuals per square metre and are highly effective filter feeders, so they are good at out-competing our native species for…