The North American river otter (Lontra canadensis), also known as the northern river otter and river otter, is a semiaquatic mammal that lives only on the North American continent throughout most of Canada, along the coasts of the United States and its inland waterways.

Adult sea otters typically weigh between 14 and 45 kg (30 to 100 lb), making them the heaviest members of the weasel family, but among the smallest marine mammals. Unlike most marine mammals, the sea otter’s primary form of insulation is an exceptionally thick coat of fur, the densest in the animal kingdom.

Sea otters can reach speeds of 1.5 kph (0.9 mph) on the surface and 9 kph (5.6 mph) under water. River otters can remain under water for 6 to 8 minutes. Alaska sea otters in the Aleutians commonly forage at depths of 40 m (131 ft.) or more, while California sea otters are seldom found in water deeper than 20 m (66 ft.).

2025年3月5日 · Yes, otters can run surprisingly fast on land, despite their more commonly known aquatic prowess. While they’re celebrated for their smooth, powerful swimming abilities, their terrestrial locomotion should not be underestimated.

2025年3月8日 · River otters can reach impressive speeds of up to 29 mph (47 kph) on land, often utilizing a combination of running and sliding, especially across snow and ice. In water, their speed is somewhat lower, with river otters swimming at about 8 mph (13 kph).

2 天之前 · A Deep Dive into Otter Speed and Agility. Understanding Sea Otter Speed. Anatomy and Adaptation for Speed; Surface vs. Subsurface Speed; The Role of Speed in Survival; Speed in Comparison; Factors Affecting Speed; Conservation Implications; FAQs About Sea Otter Speed and Behavior. 1. Are sea otters faster than humans in water? 2. How deep can ...

Speed: In water, otters swim at a speed of 8 miles per hour, while on land, they can run at a speed of 15 miles. Dentition: Otters dentition is so strong. They are carnivorous animals and have the power to crack, crush, and chew hard-shelled animals, including mussels, crabs, and shellfish.

The sea otter (Enhydra lutris) is a marine mammal native to the coasts of the northern and eastern North Pacific Ocean. Adult sea otters typically weigh between 14 and 45 kg (30 to 100 lb), making them the heaviest members of the weasel family, …

Relative to the size of your body 10 mph would be quite a bit faster. This site shows the top speeds of animals, and how fast they would be going if they were your size (ie, what their speed feels like to them).

2016年10月11日 · Otters are members of the mustilid, or weasel family which includes skunks, wolverines and the honey badger, an animal considered to be one of the toughest creatures on Earth. Otters are tough as nails too, and well known by zoo curators and wildlife specialists to be dangerous to handle.