The term 'SHARK SEEN IN THE ATLANTIC' can be summarized by the crossword solution of MAKO, which is a species of shark found in the Atlantic Ocean. The Mako Shark is a large, fast-swimming species of shark that is known for its long, pointed snout and its ability to leap out of the water. It is an apex predator, meaning it is at the top of the food chain, and feeds on a variety of fish, squid, and other marine life.