From the largest blue whale to the tiny seahorse, aquatic animals amaze with their diversity and survival strategies.

After Taylor Swift wore a vintage Monterey Bay Aquarium otter T-shirt, the California aquarium reissued the item for Swifties ...

Discover the list of mammals that live only in water, such as whales, dolphins, manatees, and dugongs. Learn how these fully ...

Some animals prefer to hide by becoming invisible. Discover more about animals you can actually see right through.