The answer is:
Chesapeake Bay Retriever
The Chesapeake Bay Retriever is a breed of dog belonging to the Retriever, Gundog, and Sporting breed groups. The breed was developed in the United States Chesapeake Bay area during the 1800’s. It is a medium to large sized dog, similar in appearance to the Labrador Retriever. They are aptly described as having a bright and happy disposition, courage, willingness to work, alertness, intelligence, and love of water as some of their characteristics.