Mystery Fish Creates Stir in Boston’s Pleasure Bay

Mola Mola/Wikimedia

A dorsal fin protruding from the water in Pleasure Bay near Boston’s Castle Island created a stir among onlookers and marine experts on Tuesday (September 10, 2013), according to an article on

The fin appeared early in the day in the bay, which is a popular spot for joggers, sunbathers and kite-boarders. Many onlookers thought the fin was from a shark, but some marine experts think it may have been a mola mola.

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