The Eastern Arctic Seas Encyclopedia

2016 Edition
| Editors: Igor S. Zonn, Andrey G. Kostianoy, Aleksandr V. Semenov

Walrus (Odobenus rosmarus)

Reference work entry

Walrus (Odobenus rosmarus) – the only member of the Odobenidae family and Odobenus genus; it is the largest representative of pinnipeds in the Northern Hemisphere. The body length is up to 4.5 m, and the weight is up to 1.5 t. Females are smaller than males. They have teretial torso and rounded head and are small and flattened in front; on the upper lip, there are several rows of tough “moustaches” – whiskers. From the upper jaw, in the corners of the mouth, there are hanging canines (tusks) up to 80 cm in length present in males and 70 cm in females weighing up to 4 kg each. Fins are fleshy and movable. The tail is short and like a barely noticeable skin outgrowth. The skin is thick and wrinkled, in males at the neck, and the chest is covered with bumps and scars. The coat is short, missing in the old W. Painting of adult animals is dull and yellowish red and of young species is brighter, and the belly and bottom limbs are covered with red-orange fur. W. is common in the Arctic seas,...

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© Springer International Publishing Switzerland 2016