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Because they are constantly swimming against the current of a river where as sea otters float around...kinda.

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12y ago

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What does a streamlined help an otter do?

It helps it swim faster mate


Is the Hudson river swim-able?

Researches have shown that hudson river is actually the safest river to swim in the United states. As long as you do not swim in the deep places, you are fine.


Are sea urchins plankton nekton or benthos?

Sea otter are nekton and plankton; they can float and swim.


How does a otter catch its food?

Freshwater otters get their water from freshwater sources. Thus, species like the North American river otter (Lontra canadensis), the Eurasian river otter (Lutra lutra), and the Asian small-clawed otter (Aonyx cinerea) drink from the same rivers and lakes in which they swim. The sea otter, on the other hand, is specially adapted to its saltwater habitat. The sea otter's large kidneys process the saltwater that the otter drinks from the ocean, allowing the otter to live without need of freshwater.


How fast does a North American River Otter swim?

A North American River Otter can swim at speeds of up to 7 miles per hour (11 km/h) in the water. They are agile and efficient swimmers, using their webbed feet and sleek bodies to move gracefully through the water in search of prey.


Can an otter climb a fence?

otters line near river, streams and oceans. so yes they swim.


What might be one adaptation of a organism that lives in a river?

a curved tail to swim faster


How fast can a otter swim?

They can swim 5.6 miles per hour underwater.


Can you produce a sentence with the word Otter?

It was really fun to watch the otter swim and do aquatic acrobatics.


What other animals swim backwards?

sea otter


What are facts about otter?

Otters are mammals but they can swim and live in water.


Do river otters live in swamps?

yes because there is a certain type of otter called the river otter