and Hoplomys (armored rats) on the one hand, and Thrichomys on the other hand.

Appearance

thumbThe nutria somewhat resembles a very large rat, or a beaver with a small, long and skinny hairless tail. Adults are typically 4 - 9 kg in weight, and 40 - 60 cm in body length, with a 30 to 45 cm tail. It is possible for nutrias to weigh up to 16 to 17 kg, although adults usually average 4.5 to 7 kg. Nutrias have three sets

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