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Learn about the over 1,000 species of sharks and rays, their importance for marine ecosystems, and the threats they face from overfishing, demand for fins, and bycatch. Find out what WWF is doing to protect these top predators and how you can help.
Extinction: 'Time is running out' to save sharks and rays. Scientists say sharks and rays are disappearing from the world's oceans at an "alarming" rate.
Learn about the great white shark, the world's largest predatory fish, and why it is at risk of extinction due to overfishing and hunting. Find out what WWF is doing to protect this endangered species and how you can help.
27 de ene. de 2021 · Nature - The global abundance of oceanic sharks and rays has decreased by 71% since 1970 and 24 species are threatened with extinction owing to a concomitant increase in fishing pressure.
While the majority of shark species have sustainable populations, a number of them have been shrinking at an alarming rate. For these species, overfishing, bycatch, and shark finning are contributing factors in their decline.
Nature and Biodiversity. Shark conservation: An expert explains why they matter to the ocean and need protection. Jul 20, 2021. Sharks, contrary to common misconceptions, only kill 6 people each year. Image: Unsplash/Gerald Schömbs. Share: Our Impact. What's the World Economic Forum doing to accelerate action on Nature and Biodiversity?
By 2021, almost all known sharks (~1250 species) have been assessed using the IUCN Red List Categories and Criteria. These assessments have been completed at the global level, that is, for the species’ entire global range and population.
