Linking oceanic variability, euphausiid hotspot persistence, and marine predator distribution along Canada's west coast.

Summary: Imagine the ocean as a bustling city. Just like people gather at popular restaurants, ocean animals gather in special "hotspots" where food is plentiful. Scientists studied the west coast of Canada to find out exactly where tiny, shrimp-like creatures called krill hang out, and where their predators—like big fish and whales—go to eat them.

Using underwater sound tracking over 11 years, they discovered that during a massive ocean heatwave in 2015, the krill and fish got confused and didn't overlap like they usually do. Normally, the scientists found two main "neighborhoods": a deep-water group with whales and krill, and a shallow-water group with smaller fish. By mapping these underwater hotspots, scientists and rangers know exactly which ocean neighborhoods need the most protection to keep the whole sea healthy!