The otter is a carnivorous freshwater or marine mammal which is part of the Mustelidae family which includes weasels, martens, and badgers. Otters have long, slim bodies and sharp, webbed claws that they use to catch their prey.
Mostly active during the day, giant otters eat fish, caimans, aquatic mammals, and even anacondas hapless enough to be caught. Learn more
A river otter can dive up to 60 feet deep and swim for a quarter of a mile before coming up to breathe. Learn more
Sea otters may be distinguished from river otters by their flattened tails, flipper-like hind limbs, and propensity for floating belly-up. Learn more