* Size: Otters are generally larger and stronger than foxes. While foxes are opportunistic predators, they are not built to tackle prey much larger than themselves.
* Habitat: Otters prefer to live near water, while foxes are more terrestrial. They may share some overlap in habitat, but their primary hunting grounds are different.
* Defense: Otters are skilled swimmers and have strong claws, making them difficult prey for foxes. They can also defend themselves with sharp teeth.
While a fox might scavenge on a dead otter, it is unlikely to actively hunt and kill one.