Environment Tiger shark caught off Massachusetts could be sign of warming waters “Immediately I started yelling to my brother, ‘It’s a tiger, it's a tiger shark!' This photo provided by Nelson Rouette shows his brother, Nate Rouette, holding a young tiger shark that they caught off Falmouth Mass., July 23, 2026. The brothers, longtime sport fishermen who live in Massachusetts, released a juvenile tiger shark in late July after catching it from a beach. “Immediately I started yelling to my brother, ‘It’s a tiger, it’s a tiger shark!’ Advertisement:For the Rouette brothers, the encounter with a tiger shark provided a thrill they won’t forget.