Invasive Species

In the more than four years since exotic caulerpa was first discovered in New Zealand waters, it has been a time of uncertainty and frustration for so...

Nine confirmed queens, two new nests, and a major ground response as Biosecurity New Zealand widens its search on the North Shore.

Biosecurity New Zealand ramps up surveillance as a new invasive threat emerges on the North Shore.

Thousands of vessel hulls to be inspected as summer biosecurity campaign begins.

After five years of sustained monitoring and community vigilance, Waikato Regional Council confirms the invasive Mediterranean fanworm has been eradic...

A new sea spurge infestation has been found at Kapowairua (Spirits Bay) – the first discovery of the unwanted beach weed east of Cape Reinga and at le...

Help stop the spread of exotic caulerpa in the Hauraki Gulf and immediate surrounds.

New Zealand’s coastal waters face an escalating threat from exotic caulerpa, an invasive seaweed now confirmed at Waiheke Island’s Onetangi Bay and Th...

Marine biosecurity teams are reminding boaties and all marine users to make sure they are across marine pest risks and rules before heading out on the...

New Zealand’s pristine waters face a growing threat: the spread of exotic caulerpa, an invasive seaweed that has recently been found around Waiheke Is...

Keeping your boat in shipshape condition isn't just about performance—it’s crucial for protecting New Zealand’s unique marine environment.

Recent reports from the Ministry of Primary Industries have highlighted a significant threat to our pristine freshwater systems: the invasive Corbicul...

A battle is underway at sea this summer to contain the rapid growing non-native (exotic) caulerpa seaweed.