A familiar dorsal fin has been spotted in the waters off of Massachusetts.
Old Thom, the orca, was spotted traveling with a large pod of dolphins around Stellwagen Bank National Marine Sanctuary, and a video was posted to Instagram Monday by Kevin DePersia.
The New England Aquarium's Anderson Cabot Center for Ocean Life verified the whale was Old Thom, based on the notch a distinctive notch on his fin.
Old Thom has visited the New England coast several times in the 2000s including sightings in the waters around Cape Cod.
(Photo by Olivier MORIN / AFP via Getty Images)
Photo: OLIVIER MORIN / AFP / Getty Images