The nutria (/ ˈnjuːtriə /) or coypu (/ ˈkɔɪpuː /) (Myocastor coypus) [1][2] is a herbivorous, [3] semiaquatic rodent from South America.

Dec 26, 2025 · Nutria, (Myocastor coypus), a large amphibious South American rodent with webbed hind feet. The nutria has a robust body, short limbs, small eyes and ears, long …

Nutria, An Invasive Rodent The nutria (Myocastor coypus), a large, semi-aquatic rodent native to South America, was originally brought to the United States in 1889 for its fur.

5 days ago · The nutria, also known as coypu, is a large semi-aquatic rodent that has become a widespread invasive species outside of its native South American range. This mammal, …

Apr 19, 2023 · What are nutria? Nutria (Myocastor coypus) are relatively big rodents that grow to between 17 and 25 inches long (43 to 64 centimeters) from head to rump, which is about the …

Recognized in the United States as an invasive wildlife species, nutria have been found in at least 20 States and most recently in California. The nutria’s relatively high reproductive rate, …

Nutrias look like large rats, or beavers without the flattened tails. They’re larger than any rat you’d hope to find, at up to 17kg in exceptional individuals, but are typically smaller than beavers, …

Nutria (Myocastor coypus) are large, dark-colored, semi-aquatic rodents native to South America. They are members of the family Myocastoridae. Nutria may be misidentified as beavers or …

Oct 17, 2025 · Often mistaken for beavers and muskrats, the Nutria is a furry swimming rodent that can weigh 15-20 lbs and reach 2 ft (0.6 m) long. It is usually dark brown with a large head, …

Scientifically known as Myocastor coypus, the nutria is a large, herbivorous rodent. Its common name, “nutria,” is derived from the Spanish word for otter, reflecting its aquatic lifestyle.