Why did drdolittle go to the bottom of the sea?

Dr. Dolittle went to the bottom of the sea to find and communicate with animals that live underwater, particularly to seek out the Great Pink Sea Snail, which was believed to have the ability to help him understand all animal languages. His underwater adventure was part of a larger quest to save the animals and to learn more about their lives and needs. Throughout his journey, he demonstrated his deep commitment to animal welfare and his unique ability to connect with them.