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Updated:
January 30, 2021 13:51 IST
The researchers said 24 of the world s 31 oceanic shark and ray species are now classified as vulnerable, endangered or critically endangered on the IUCN Red List.
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This 2001 photo provided by Dr. Greg Skomal shows a shortfin mako shark off the coast of Massachusetts. | Photo Credit:
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The researchers said 24 of the world s 31 oceanic shark and ray species are now classified as vulnerable, endangered or critically endangered on the IUCN Red List.
The number of oceanic sharks and rays worldwide has fallen by 71% over the last 50 years, according to a study which found that some formerly abundant, wide-ranging species including the Great Hammerhead have declined so steeply that they are now classified as critically endangered.
Now, research has found this overfishing has led to a drastic decline in not only shark species, but also ray species.
Scientists from the Simon Fraser University, Canada, and the University of Exeter in the UK have revealed that since 1970, there has been a shocking 71 percent decline in shark and ray populations.
The team discovered 24 of the 31 ocean and ray species are now classified as vulnerable or endangered.
Other species have become critically endangered, such as the Oceanic Whitetip and Great Hammerhead.
Sharks and rays are at risk of extinction due to overfishing (Image: GETTY)
Rays are facing extinction (Image: GETTY)