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The newly described species. (AFP Photo/National Institute Of Water and Atmospheric Research Ltd)
Scientists in New Zealand said Tuesday they have discovered a new species of "ghost shark", a type of fish that prowls the Pacific Ocean floor hunting prey more than a mile down.
The Australasian Narrow-nosed Spookfish was found living in the deep waters of Australia and New Zealand, according to scientists from Wellington-based National Institute of Water and Atmospheric Research (NIWA).
The specimens were discovered during research in the Chatham Rise, an area of the Pacific which stretches around 1,000 kilometres (621 miles) east near New Zealand's South Island.
Ghost sharks, or chimaeras, are related to sharks and rays, but are part of a group of fish whose skeletons are entirely made of cartilage.
Also known as spookfish, the ghost sharks have haunting black eyes and smooth, light brown, scale-free skin.
They feed off crustaceans at depths of up to 2,600 metres (8,530 feet) using their distinctive beak-like mouth.
The newly described Australasian Narrow-nosed Spookfish (Harriotta avia). (NIWA)"Ghost sharks like this one are largely confined to the ocean floor," said research scientist Brit Finucci.
Finucci gave the new species its scientific name "Harriotta avia" in memory of her grandmother.
"Their habitat makes them hard to study and monitor, meaning we don't know a lot about their biology or threat status, but it makes discoveries like this even more exciting."
The spookfish was previously thought to be part of a single globally distributed species until scientists discovered it is genetically and morphologically different to its cousins.
