Know the differences between otter species
Sea otters live in the North Pacific Ocean (North of the Tropic of Cancer). River otters live in rivers and spend their time along the accompanying riverbanks.
There are 13 species of otter throughout the world; 12 are river otters; 1 is the sea otter.
Sea otters tend to swim on their backs while river otters tend to swim on their stomachs.
Sea otters eat foods found in the Pacific Ocean like sea urchins, crabs, sea stars, clams, mussels & shrimp. River otters eat foods found in their river habitats such as fish, crayfish, shrimp, crabs, and even frogs.