New 'ghost shark' species discovered in New Zealand waters

Scientists in New Zealand have uncovered a new species of "ghost shark," a rare and elusive fish that is difficult to spot due to its deep-sea habitat in the Pacific Ocean.

Ghost sharks, also known as spookfish or chimeras, are closely related to sharks and rays. Unlike most fish, they lack scales, and their skeletons are composed entirely of cartilage.

Dr. Brit Finucci, one of the researchers involved in the discovery of the Australasian Narrow-nosed Spookfish, described the find as "exciting."

"The depth at which they live makes them challenging to study, so we know little about their biology or their conservation status," she said.

Dr. Finucci and her team from New Zealand's National Institute of Water and Atmospheric Research (Niwa) found the ghost shark on the Chatham Rise, an underwater plateau to the east of New Zealand.

The Australasian Narrow-nosed Spookfish stands out for its long snout

Ghost sharks typically inhabit depths of up to 2,600 meters (1.6 miles). The newly discovered species is distinguished by its unusually long snout, which can be half the length of its body.

Dr. Finucci gave the species the scientific name Harriota avia, incorporating a personal touch. "Avia means grandmother in Latin. I wanted to honor my grandmother, who was a proud supporter of my scientific career," she said.

"Chimaeras are also ancient relatives – the 'grandmas and grandpas' of fish – so the name seemed fitting."

Initially believed to be part of a widespread species, further research revealed that this spookfish is genetically distinct and found only in Australian and New Zealand waters.

Scientists emphasize that discoveries like these are essential, as understanding more about these species' behaviors and habitats can help guide conservation efforts.

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