Tag Archives: Marine Mammal Mania

How much does a Northern fur seal weigh?

Male Northern fur seals can weigh 5-6 times as much as their female counterparts! A female may only gain and lose 10-20 pounds throughout the year, while adult males can gain and lose over 250 pounds in one year! During more »

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How much does a sea otter weigh?

Many adult marine mammals gain and lose weight throughout the year depending on the water temperature, food availability and behavioral changes associated with breeding seasons. Here at the Seattle Aquarium we weigh our marine mammals at least twice a month more »

Posted in Marine Animals, Seattle Aquarium, Uncategorized | Tagged , , , , | 1 Comment