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What is the primary diet of the sea otter, known for its use of tools to open shellfish?
What is the primary diet of the sea otter, known for its use of tools to open shellfish?
The primary diet of the sea otter consists mainly of marine invertebrates, particularly shellfish such as sea urchins, clams, crabs, and mussels. They are known for their tool use, often using rocks to crack open the shells of these prey items.