Salmon … with backpacks? On the Washington Coast this past summer, #HohTribe and Wild Salmon Center scientists caught a few dozen Chinook salmon, sedating each to quickly attach a small acoustic device, or “backpack.” After waking up, the salmon went about their travels. But now, their precise location pings nearby telemetry devices—a network of which we’re helping to build across the Pacific. These data points help map where fish go, and when, in rivers like the Hoh—key information for scientis