Dolphins have great vision, although they can only see limited colors. They live in the water, but they do not drink from it. Instead, they get any necessary moisture from the food they eat. More »

www.reference.com Pets & Animals Marine Life

Dolphins are very smart and playful animals. Although they live in the water, dolphins are mammals just like humans and need air to breathe, which they do out of a blowhole on the top of their heads. In fact, dolphins ca... More »

www.reference.com Pets & Animals Marine Life

One interesting fact about dolphins is that they use many unique ways to communicate with one another. They also use high-frequency clicking sounds to investigate their surroundings. More »

www.reference.com Pets & Animals Mammals Marine Mammals

Dolphins are very smart and playful animals. Although they live in the water, dolphins are mammals just like humans and need air to breathe, which they do out of a blowhole on the top of their heads. In fact, dolphins ca... More »

www.reference.com Pets & Animals Marine Life

Baby dolphins, or calves, are born after gestation periods of up to 12 months in the mother's womb. Calves begin swimming in the mother's womb as early as 9 weeks into the pregnancy. When baby dolphins are born, they com... More »

Seahorses have gills and swim bladders, but don't have vertical fins or typical fish tails. A seahorse's tail is long and resembles a snake. The Latin term for a seahorse is "hippocampus," which translates to "horse cate... More »

www.reference.com Pets & Animals Marine Life

Whales aren't fish, but mammals; they are warm-blooded, breathe air and nurse their babies with milk. Many species of whales grow very large; the blue whale can grow to over 90 feet long. Whales evolved from creatures th... More »

www.reference.com Pets & Animals Marine Life