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Oceanic sharks and rays have declined by over 70%: study


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. ....

Richard Sherley , Indian Ocean , International Union For Conservation Of Nature , University Of Exeter , Great Hammerhead , Living Planet Index , Red List Index , Smooth Hammerhead , International Union , Oceanic Whitetip , Shark Population , Ray Popolation , Shark Extinct , Decline In Shark Numbers , இந்தியன் கடல் , சர்வதேச தொழிற்சங்கம் க்கு பாதுகாப்பு ஆஃப் இயற்கை , பல்கலைக்கழகம் ஆஃப் எக்ஸெடர் , நன்று சுத்தியல் , வாழும் கிரகம் குறியீட்டு , சிவப்பு பட்டியல் குறியீட்டு , மென்மையான சுத்தியல் , சர்வதேச தொழிற்சங்கம் , சுறா பாப்யுலேஶந் , சுறா அழிந்துவிட்டது ,