WELLINGTON, New Zealand (AP) — The deaths of 22 dolphins in trawler nets prompted fresh calls Wednesday for the New Zealand government to ban two types of fishing nets from the habitats of two critically endangered species of dolphin.

The World Wildlife Fund said that Maui's dolphins, which are found only along North Island's west coast and are on the brink of extinction, urgently need protection from set nets and trawler nets if they are to survive.

Official estimates are that just 111 Maui's dolphins still live in the wild.

Set nets are used by recreational fishers near the coastline, while large trawl nets are used further out to sea in commercial fishing to catch large schools of fish.

The numbers for another endangered New Zealand species, the Hector's dolphin, have declined from an estimated 29,000 in the 1970s to 7,000 currently.

Photographs of 22 common dolphins killed in trawler nets off North Island's west coast last December — released by the government Tuesday — were proof that current fishing controls are failing to protect endangered dolphins, said Chris Howe, the executive director of the WWF's New Zealand branch.

The deaths showed that the fishing industry cannot be trusted to follow the voluntary code of practice that currently protects the species, he said. The government-imposed code was set up to minimize accidental capture of dolphins during trawl fishing.

"All fishing with set nets and trawl nets should be banned throughout the range of Hector's and Maui's dolphins," Howe told The Associated Press.

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