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'Very rare find': Baby ghost shark discovered by scientists off New Zealand coast

A baby ghost shark has been found by scientists off the east coast of New Zealand’s South Island.

The days-old creature, which is also known as a chimaera, was discovered shortly after being hatched at a depth of about 1.2km (0.7 miles) on the Chatham Rise, an area of ocean floor.

Scientists from the National Institute of Water and Atmospheric Research said the deep water shark must have recently been born as its belly was still full of egg yolk.

The embryos of ghost sharks develop in egg capsules laid on the sea floor and feed off a yolk until they become ready to hatch.


The team was carrying out a trawl survey to estimate populations of hoki fish when they discovered the neonate (newly-hatched) animal, which is related to sharks and rays.

Other names for it include rat fish, spook fish and rabbit fish, according to the Shark Trust.

An example of ghost shark egg capsules. Pic: Brit Finucci

Dr Brit Finucci, a member of the team, said of the very rare find: “It’s quite astonishing. Most deep-water ghost sharks are known adult specimens; neonates are infrequently reported so we know very little about them.”

More on Sharks

She told the BBC: “Deep water species are generally hard to find, and like ghost sharks in particular, they tend to be quite cryptic.

“So we just don’t see them very often.”

Young ghost sharks can also change their characteristics when they become adults.

She said: “Juveniles can live in very different habitats, … they can have different diets, they can even look very different from adults.

“Coming across the juvenile helps us better understand the biology and some of the ecology of the species.”

Dr Finucci also said research would be carried out on the baby shark’s species.

She said: “We’ll take a little tissue sample and random genetics.

“Then we’ll do a whole bunch of morphometrics or body measurements as well, which will also help us assess what species we’re looking at.”


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