In the waters of Kona, Hawaii, Keller Laros of Jack’s Diving Locker was diving with friends filming the local manta rays, when a Bottlenose Dolphin swam up to them. Laros reports that it “needed my help to get a fishing hook and line of its left pectoral fin.” Martina Wing of Manta Rays Hawaii photographed the encounter, and Laros posted it online January 22, 2013. Watch what happens: