Wednesday 22 June 2011 Dall's Porpoise - Nature's Blue-eyed Speed Racer

The Dall's Porpoise (Phocoenoides dalli) is an incredible swimmer with turquoise eyes and the ability to breathe air while rushing through the water at top speeds. These amazing porpoises love bow-riding, yet are shy around humans, and are some of the fastest mammals riding the waves in the North Pacific.

The Dall's porpoise is robust and muscular, particularly through the middle. The head is small and rounded, which makes it look smaller than it really is. The beak is small and poorly defined. The small mouth has a bit of an under bite, and their teeth are ideal for helping them hold on to the slippery prey. This animal looks a bit out of proportion because of an additional hump located on the bottom of the body. One of the amazing features of the Dall's porpoise is their colored eyes. The iris is black or dark blue with a deep, iridescent turquoise colored pupil.

Their coloring is typically black on the top with white bellies and white sides. One of the smaller porpoises, males are typically 7.5 feet (2.29 meter) long while females are typically 6 feet (2.1 meters) long. Weights for both males and females are typically about 270 pounds (123 kg). They can get larger, however. The largest recorded to date weighed in at 480 pounds, or 220 kg.

This amazing swimmer can only be seen in the wild in the North Pacific. Their territory ranges from Baja, California all the way to Alaska, through the Bering Sea and into the waters of Japan. They prefer the cooler temperatures of the water and typically stay where the water temperature is below 60 degrees F (15 C).

The Dall's porpoise can go as fast as 30 knots. It loves bow-riding with fast"center">