Otters have potent musk glands and "spraint" (smear) their feces to mark territory, creating a pervasive and unpleasant smell.
If you find a legal pathway, be prepared for extreme lifestyle changes and high costs: buy a pet otter
Owning a pet otter is in many regions, including the UK and most of the U.S.. While their "cute" social media presence has fueled a global demand, experts from WebMD and the National Zoo strongly advise against keeping them as pets because they are wild animals that do not thrive in domestic settings. Legal and Ethical Status Otters have potent musk glands and "spraint" (smear)
Owning native otters is illegal in all states. Only a few states, such as Missouri, North Carolina, Florida, and Nebraska, may allow exotic species with strict permits. Legal and Ethical Status Owning native otters is
They are highly social and should never be kept alone; keeping a solitary otter is considered cruel.