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What is the difference between a seal and an otter?

April 26, 2017OTTER seal

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What is the difference between a seal and an otter?

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Aside from their belonging to different taxonomical families (Sea otters belong to Mustelidae, and seals belong to Phocidae.), the most obvious difference between sea otters and seals is in their means of keeping warm: sea otters have extremely dense fur (1,000,000 strands of hair per square inch) for insulation, whereas seals have a layer of blubber beneath their skin.