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Scapteromys

Genus of rodents From Wikipedia, the free encyclopedia

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Scapteromys is a genus of South American rodents in the tribe Akodontini of family Cricetidae. Three species are known, found in northern Argentina, southern Brazil, Paraguay and Uruguay.[1][2] They are as follows:

Quick Facts Scapteromys Temporal range: Late Pliocene to Recent, Scientific classification ...

Species are semiaquatic, living in and near marshes and other bodies of water. They reach a body length of 15 to 20 cm and a tail length of 13–17 cm, and weigh 110-200 g. Fur color is dark gray on top and light gray on the underside. They are primarily crepuscular and nocturnal. Their diet consists mainly of insects; they also consume other invertebrates and plant material.

The three species differ in karyotype, with aquaticus having 2n = 32, tumidus 2n = 24[1] and meridionalis 2n = 34/36.[2]

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