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.

Read more:


Share this Article On Facebook Twitter More...


Like New England Boating on Facebook. Follow us on Twitter.
Receive our Daily News Update:

Don’t forget to sign up for our monthly newsletter!

Each month our emailed newsletter keeps you up to speed on the top news items, videos, destinations, reviews and fishing articles on New England Boating, so you won’t miss a beat. It’s convenient, it’s free, and you can opt out at any time!