White sharks, made famous 50 years ago in the movie “Jaws,” are not commonly seen off Maine, but have lived in the state’s waters for centuries. Sightings ticked up in recent years, and some scientists say the state’s growing population of seals could be a reason for more shark activity. White sharks feed on marine mammals such as seals.

A great white shark as long as 12 feet was seen swimming near several beaches in Maine, though it’s unclear if it poses a danger to beachgoers.