The Government is proposing a significant expansion to the area where fishing vessels are banned from using trawl nets in a bid to protect Hector's and Māui dolphins.

The move comes as part of the Government's Threat Management Plan to protect the dolphins, which are both threatened species.

But Greenpeace said the Government's proposal was not a fix for the "extinction crisis" and the lack of ambition for the Hector's dolphin was "frankly depressing".

The most recent data estimates there are just 63 Māui dolphins left in the wild and they are classified as nationally critical.

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There are 15,000 Hector's dolphins left – their status is currently nationally critical.
Minister of Conservation Eugenie Sage said the dolphins were New Zealand taonga.

"We need to act now to ensure their populations increase and both species thrive."

The Government's proposals include options for a significant expansion of the areas of ocean free of set nets and trawl nets to protect dolphins at risk of becoming bycatch in fishing nets.

Sage said the plan was based on the best available science and New Zealand and international expertise.

She said the information made it clear that the risks of bycatch to dolphins had reduced in areas where there were restrictions on set netting and trawling.

Although the plan was meant to be released this morning, it was accidentally released on the Beehive website last night.

Hector's Dolphin caught in a net. Photo / DoC
Hector's Dolphin caught in a net. Photo / DoC

Greenpeace senior campaigner Steve Abel said the options put forward by the Government did not go far enough.

"Both the United Nations and the Ministry for the Environment confirm that New Zealand is in an ecological crisis, with more native species at risk of extinction than any other country."

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Greenpeace wants a full ban of all gill netting and trawling from Māui and Hector's habitat out to 100 metres.

Over the past two summers, there have been 12 reported Hector's dolphins caught in commercial fishing nets.

But a briefing to Minister of Fisheries Stuart Nash, obtained by the Herald under the Official Information Act (OIA), shows the actual number of Hector's dolphins killed was likely much higher.

"Recent scientific work has estimated that approximately 42 Hector's dolphin mortalities are expected per year from set netting, and 4.4 mortalities from trawling."

The Government has already announced it would be putting cameras on board commercial fishing ships operating in the areas of highest risk to Māui dolphins.

Nash said the proposals in the new Threat Management Plan are part of a wider and ambitious programme of change in fisheries management this year.

"There's a keen public interest in protecting the dolphins, with many articulate letters from young people coming into our offices. Now there's a chance for public feedback to help us improve these proposals."