No, otters do spend a lot of time in the water, but they also have four functioning legs. They come up on land for many reasons.
There are both freshwater (river otters) and salt water otters.
In the water
Habitat destruction and water pollution are the main threats to otters.
Otters are a semi-aquatic mammal. So they don't live exclusively in water.
sea otters excrete in water and on land
In the water
Fish
Otters are aquatic mammals known for their streamlined bodies and webbed feet, while water rats, or water voles, are rodents that live near waterways. Otters are carnivorous predators, while water rats are herbivores. Otters are known for their playful behavior, while water rats are more elusive.
Sea otters typically do actually live near oceans. Not all otters however will always choose to live in the ocean.
Otters are able to stay underwater for up to 8 minutes.
alligators and water snakes
because there are nocturnal