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Exotic caulerpa seaweeds in New Zealand

Find out about this exotic (from overseas) pest seaweed, where it’s been found, what it looks like, what’s being done about it, and how you can help.

In this section

I tēnei wāhanga

About exotic caulerpa and where it's been found

The risk to NZ, where it's been found, and what we're doing to combat it

What exotic caulerpa looks like

Pictures, video, and a guide to help you identify it

The legal rules for boating and fishing

Waiheke Island is the latest to get a Controlled Area Notice (CAN) and joins 3 other locations 

Help stop the spread of exotic caulerpa

Practical ways you can help stop the spread

Developing new tools to combat exotic Caulerpa

Details of projects to develop new surveillance and removal technologies

Science and technical advice and work of the Exotic Caulerpa National Advisory Group

Research reports and minutes of advisory group meetings

Exotic caulerpa newsletters

How to subscribe and copies of previous newsletters

MPI business units