New #GlobalSharkTrends study published in @science.org reveals #overfishing has more than halved shark & ray populations over the past 50-years causing widespread erosion of ecological function and exceptionally high extinction risk 👉Full article bit.ly/GlobalSharkTrends 🧵1/20

New study in @science.org shows shark and ray populations have declined by 50% in 50 years - illustrated by gifs made by @sharkcolin.bsky.social. Link to paper and more info: bit.ly/SharkRLI

When you go back through old photos, and i mean OLD, and you find that one from so long ago you have to check it was actually you! That's me in the late 1980s during my PhD on shark life history at James Cook University. #shark #sharkscience #JamesCookUniversity

CITES Appendix listings for requiem sharks and have come into effect Full article ➡️ cites.org/eng/news/delay…