A shark was sighted off the Maine coast by a U.S. Coast Guard vessel on Monday.
The Coast Guard stationed in Boothbay was returning from a search and rescue case when they encountered a shark crossing its bow.
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The type of the shark was not determined.
Shark sightings are rare in Maine, with one spotted off the coast of Kennebunkport in the summer of 2016. A great white was also tracked by a scientist from the University of New England off of Old Orchard Beach in September 2017, according to News Center Maine.