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

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

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

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

Practical ways you can help stop the spread

Details of funding and projects and information about the work of the advisory group

Research reports and technical advice

How to subscribe and copies of previous newsletters