8 September 2017 Pteronura brasiliensis (Carnivora: Mustelidae)
Paula Noonan, Siobhan Prout, Virginia Hayssen
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Pteronura brasiliensis (Zimmermann, 1780), the giant otter, is the largest freshwater otter. Found in South America, it inhabits slow-moving rivers and creeks and feeds predominantly on fish. Extinct in the southern portions of its former range, P. brasiliensis is listed as “Endangered” by the International Union for Conservation of Nature and Natural Resources. Threats to P. brasiliensis include habitat destruction, illegal hunting, and disease.

© 2017 by American Society of Mammalogists.
Paula Noonan, Siobhan Prout, and Virginia Hayssen "Pteronura brasiliensis (Carnivora: Mustelidae)," Mammalian Species 49(953), 97-108, (8 September 2017). https://doi.org/10.1093/mspecies/sex012
Published: 8 September 2017
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