Atlantic Walrus | Oceana Canada

Canadian Marine Life Encyclopedia

Atlantic Walrus

Odobenus rosmarus rosmarus

Also known as



Eastern Arctic


Shallow (80m or less), open water areas with soft sea floors close to land or pack ice

Feeding Habits

Foraging predator

Conservation Status

Special concern/data deficient


Order Pinnipedia (seals, sea lions and relatives); Family Odobenidae (walruses)


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The Atlantic walrus is one of the most iconic marine mammals of the Arctic, thanks to its large, ivory tusks. These tusks are actually elongated canine teeth. Both males and females have them, although the males’ tusks are much longer. Walruses are very large: adult males weigh between 1,000 to 2,000 kilograms. Because of their size, they are rather clumsy and slow-moving on land, but in the water they have smooth and graceful swimming abilities.