"In more than 80 portraits, award-winning pet photographer and animal rights activist Seth Casteel captures new sides of our old friends with vibrant underwater photography that makes it impossible to look away. Each image in Underwater Dogs bubbles with exuberance and life, a striking reminder that even in the most loveable and domesticated dog, there are more primal forces at work." —Little, Brown and Company
Labrador Retriever, 7 years.
Cavalier King Charles Spaniel, 6 years.
Olde English Bulldogge, 2 years.
Chesapeake Bay Retriever, 10 years.
Dachshund, 6 years.
English Bulldog, 2 years.
Labrador Retriever, 5 years.
The photographer, shot here with one of his own dogs.
Next Up: 20 of the World's Rarest Dog Breeds