The mystery boatie featured in yesterday's amazing dolphin photo has been found, but says he missed the perfect shot because he was too close to the action.

Denis O'Callahan says he "got lucky" when he snapped this picture of a pair of dolphins diving out of the water at Omaha Beach, north of Auckland.

A surfer's desperate attempt to fight off a shark that was mauling him has been described as a "Mick Fanning replay" by a friend who witnessed the attack.

It's ranked the ninth largest in the world, and boasts an on-deck jacuzzi, six swimming pools, a gym, a helipad and a helicopter hanger.

Andy Casagrande captures some incredible 4K footage and gives us a unique point-of-view from a great hammerhead shark's dorsal fin as it swims along the ocean floor. Source: GoPro/Youtube

Department of Conservation bosses are employing "secret shoppers" to track controversial great white shark dive experiences.

Sam Judd is the co-founder of Sustainable Coastlines, an organisation that works with businesses, school kids and criminals to educate, plant trees and clean up our coastlines.

Two Kiwi sailors had just seconds to grab life jackets and abandon their burning yacht after being woken by their skipper at midnight.

Bay of Plenty Maori say they have been offered thousands of dollars to withdraw their opposition to leaving the Rena on Astrolabe Reef.

Since becoming New Zealand's first marine reserve in 1975, Goat Island has proven to be worth its weight in gold - and snapper.

They washed in by the thousands: tiny red crabs covering the Orange County shoreline much further north than their typical home.

The New Zealand Navy seized about $235 million of high-grade heroin - then let the smugglers free and hosed the drugs into the ocean.

Giant waves which pounded houses, spat up boulders and trapped a vehicle on Wellington's south coast could return today.

Car batteries, coffee cups and condoms - welcome to the underwater junkyard that lies just off our city beaches.

Researchers have linked an ancient marine dolphin fossil, found in Waitaki, with an endangered dolphin that lives in Nepal, India, and Bangladesh.

In a paper published yesterday in Science, researchers from the National Oceanic and Atmospheric Administration (NOAA) describe the unique mechanism that enables the opah, a deepwater predatory fish, to keep its body warm.

Although they are frequent visitors to the Manukau and Kaipara Harbours, white sharks are rarely seen in the gulf.

Twenty-one tonnes of oiled debris has been collected from the Tauranga Harbour following last week’s oil spill.

About 1500 litres of heavy fuel oil was leaked into Tauranga Harbour on Monday, Mobil has revealed.

Mobil isn't saying how much oil has been spilled because they are trying to spin it to make it sound like it’s not a major deal, an MP says.

'The long-liners have been working this area," said Peter Blackwell, as he stopped the boat and dropped a baited ledger rig over the side.

"This is one of New Zealand's biggest ports - if we can't contain this, how are we going to deal with off-shore drilling? I don't think we can really take the risk."

Proposed Auckland port developments could be a killer blow for the harbour's already endangered New Zealand orca population, a wildlife expert fears.