The Irrawaddy Dolphin is one that offers a distinctive appearance to it. They have a flexible neck which accounts for the creases at the back of the head. They are closely related to the Orca.
This dolphin has a head that is round and they don’t have a beak at all. The forehead extends beyond the facial features. They are dark gray or dark blue in color and they have a lighter gray underneath. They feature a small dorsal fin and it is triangle in shaped with a round end. The Irrawaddy Dolphin has long and wide flippers. They can be from 70 inches to 108 inches long. They can weigh from 215 to 350 pounds.
The males tend to be longer and heavier than the females. They also have a dorsal fin that is bigger. The teeth of this dolphin are very narrow and pointy as well as peg light. They are located both in the lower and the upper jaw regions. This species of dolphin doesn’t have a cardiac sphincter. They also have a stomach with several divided compartments.
Distribution
The distribution areas of the Irrawaddy Dolphin are quite spread out. They have been found around the Philippines and into the Northeastern part of India. They are also found around the waters of the Indo-Pacific. The tend to stick to the shallow water areas around the coast. They are one of the few species of dolphins that can survive in freshwater locations.
(source:google/http://www.dolphins-world.com/)
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