38K views · 687 reactions | Salmon shark; one of the most extreme of all sharks, able to function at speed in the coldest seas. They have the ability to regulate their body temperature using counter current heat exchangers called ‘rete mirabile’ Latin for ‘wonderful net’. All new #Deadly60 coming very soon to @cbbc and @bbciplayer Stunning underwater imagery by @dboonehodgin | Steve Backshall | Facebook

Salmon are a keystone species. Across the North Pacific, they hold entire ecosystems together. More than 137 species rely on salmon—from orcas and bears to eagles and turtles. Even trees grow bigger, fed by the nutrients that salmon bring from the sea. But when we damage salmon rivers, we lose all of this. Salmon need healthy habitat. And so do we. Click https://wildsalmoncenter.org/strategy/ for how @WildSalmonCenter works to ensure the health of salmon rivers across the Pacific. (Animation cou

19K views · 1.4K reactions | Our legend Alex the seal had a smorgasbord of salmon to choose from the last few days  | Drone Shark App | Facebook

11K views · 60 reactions | Three people were injured in two separate shark attacks about two miles apart along the Florida Panhandle on Friday. Two are in critical condition, with one woman needing her left arm amputated. | CBS Mornings | Facebook