White shark Dold’s latest ping has revealed something remarkable—he’s moved into the mouth of the St. Lawrence River. 🦈 In this Tracking the Science update, OCEARCH Data Scientist John Tyminski explains what this discovery means, why it matters for shark behavior research, and how Dold’s movements are helping us better understand white sharks in the Northwest Atlantic. Each ping is another step toward protecting sharks and restoring the balance of our oceans. | OCEARCH