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January 15, 2026 | Featured News
#SummerSeries: Caulerpa: A Biosecurity Threat to Aotearoa’s Coastal Taonga
Aotearoa’s waterways are under pressure from one of the most serious marine biosecurity challenges of our time: the rapid spread […]
March 14, 2026
April 9, 2025 | Paakiwaha
Joe Davis | Ngāti Hei Kaumātua and Treaty Settlement Negotiator
An iwi led proposal, to combat the spread of invasive Caulerpa seaweed has been developed collaboratively by Pou Rāhui iwi, with input from Auckland Council, Waikato Regional Council and Northland Regional Council, alongside marine scientists.
March 4, 2025 | News
Caulerpa invades Bay of Islands waters
Caulerpa spreads to Te Pewhairangi – Bay of Islands, impacting hapū across the region.
March 4, 2025 | Paakiwaha
Don McKenzie | Northland Regional Council’s Pou Tiaki Pūtaiao – Group Manager – Biosecurity
The government is investing over $6 million to develop industrial-scale technology to combat the invasive seaweed caulerpa, which has been found at the Bay of Islands for the first time.
August 7, 2024 | News
More pūtea for caulerpa research
Biosecurity Minister Andrew Hoggard says there is cause for optimism in the fight to stop the spread of Caulerpa, but more research and development is needed.
July 2, 2024 | News
More funds for caulerpa cull
Prime Minister Christopher Luxon says the Government will continue to fund Northland Regional Council to eradicate the invasive caulerpa seaweed.
April 29, 2024 | News
Suction dredge at work on Kauau caulerpa
A Hauraki Gulf iwi hopes a new approach to the invasive caulerpa seaweed will produce results by the end of May.
April 29, 2024 | Paakiwaha
Nicola MacDonald | Chief Executive, Ngāti Manuhiri Settlement Trust
Targeted dredging to eradicate exotic caulerpa seaweed from Iris Shoal near Kawau Island in Te Moananui-ā-Toi|Hauraki Gulf has begun as part of the Government's response to address the invasive pest.
March 28, 2024 | News
Manuhiri wahine evicting unwanted guest
Ngāti Manuhiri CEO Nicola Macdonald's efforts to protect the moana from threats like caulerpa seaweed have won her the environmental hero tohu at the Kiwibank New Zealander of the Year Awards.
February 26, 2024 | News
Caulerpa sucker gets biosecurity fund boost
The Government is putting $5 million towards developing ways to remove the invasive caulerpa seaweed.
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