A second highly venomous sea snake has been spotted slithering across an Auckland beach a little over a month after one was spotted in the city’s Viaduct Harbour.

Banded sea krait.
Banded sea krait. (Source: istock.com)

The animal, which appears to be a yellow-lipped banded sea krait, was spotted by an Auckland woman who was walking along Takapuna Beach on Tuesday.

Afrika McNall was walking with friends and kids when a young girl screamed, “snake!”

McNall told the NZ Herald that she trapped the reptile in a dog waste bag with a stick; she then called the Department of Conservation (DOC) so that it couldn’t breed in New Zealand.

She was shocked, however, when DOC told her to set it free – as sea kraits are actually native to New Zealand, with sea currents and warming oceans bringing them to our shores.

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“The whole group I was with were looking at me [while I was on the phone to DoC] thinking, ‘what the heck?’ I can’t believe we’re letting this really venomous snake go. I didn’t think it was morally right,” she told the NZ Herald.

DOC confirmed the sighting to 1News, saying that they “advised the member of the public not to attempt to touch or handle the snake as it is highly venomous”.

McNall told the Herald she was also shocked to discover that it is illegal to trap the animals and was worried that she might be prosecuted.

“Though sea snakes and kraits are occasional visitors to New Zealand’s waters, they are considered a native species under the Wildlife Act 1953. This is because they arrive here naturally from time to time on ocean currents (rather than by human transportation),” DOC’s website says.

“It is, therefore, illegal to kill or harass a sea snake or possess one or any part of one without a permit.”

McNall told the Herald she decided to leave the snake on the beach as she was worried about being caught for animal cruelty for leaving it in the bag.

DOC told 1News they do not intend to pursue prosecution.

This is the second sighting of a sea krait in Auckland, with another being spotted in Auckland’s Viaduct Harbour.

DOC says they are normally accidental visitors to New Zealand as the country is outside of their normal range around Papua New Guinea and New Caledonia.

Sea kraits spend part of their time on land – unlike sea snakes, which explains why McNall’s sighting was on the beach.

Clinton Duffey, a Marine Technical Advisor at DOC, told 1News that while the kraits look scary, it is rare for them to bite humans.

“Sea snakes and kraits are highly venomous, but they are docile creatures. The teeth of a sea krait are at the very back of the mouth, and the mouth is small, so it is difficult for them to bite a person,” he said.

He still advised caution when handling them, saying that “overseas, it is uncommon that people are bitten; however, they have been bitten attempting to remove sea snakes from fishing nets. This is why we advise the public not to touch them”.

While there have been two sightings of the animals recently, DOC says they are incredibly rare. There have been five specimens of the species spotted in New Zealand since 1988.

“If the public encounter a sea snake, or any wildlife, they should not touch the animal both for their safety and the safety of the animal. They should call the DOC hotline (0800 DOC HOT) and give the animal plenty of space. If other people are in the area, advise them to keep well away from the animal and that DOC has been informed,” the DOC Operations manager for Auckland mainland Rebecca Rush told 1News.