Neovisonvison is a mammalian species belonging to the genus Neovisonvison in the family Italidae, order Carnivora. The tail is less than half the length of the head, and the ears are short and round. The body is slender and the limbs are short. The head is narrow and elongated, with a sensitive sense of smell and hearing. Residing in areas near freshwater. The lifestyle is semi aquatic. Carnivorous, mainly feeding on rodents, bird eggs and chicks, fish, insects, and plant fruits. Distributed in the United States and Canada. Usually active at night, occasionally appearing during the day. He is a great swimmer who can dive to a depth of 5 to 6 meters and won't chase prey for long distances in open waters. Still a skilled tree climber.