Which Otters Are Aggressive?

The giant otter is diurnal, being active exclusively during daylight hours. It is the noisiest otter species, and distinct vocalizations have been documented that indicate alarm, aggression, and reassurance.

Will sea otters attack humans?

She said that otter attacks involving humans are “extremely rare,” but that when they do occur, there is usually a reason. ... She said that in instances in which otters have attacked, people had gotten too close to mothers with cubs or to their dens.

Are wild otters aggressive?

Otters live near lakes or ponds and burrow in ditches, so interaction with people can occur. With their sweet appearance and playful nature, it may seem impossible that otters are dangerous. However, otters can be aggressive when necessary. The animals sometimes even hunt snakes to supplement their usual diet of fish.