Yonenaga's Atlantic spiny rat

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Yonenaga's Atlantic spiny-rat
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Echimyidae
Genus: Trinomys
Species: T. yonenagae
Binomial name
Trinomys yonenagae
Rocha, 1995
Trinomys yonenagae distribution (colored).png

Yonenaga's Atlantic spiny-rat, Trinomys yonenagae, is a spiny rat species found in the rainforests of South America.[2] Locally, it is known as rabo de facho.[3]

The Yonenaga's rat is a burrowing rodent that lives in colonies. As they live in an environment where vision is limited, they rely on scents from anal glands to provide cues as to identity and intention of other rodents in the colony.[3]


  1. ^ Catzeflis, F.; Patton, J.; Percequillo, A.; Bonvicino, C. & Weksler, M. (2008). "Trinomys yonenagae". IUCN Red List of Threatened Species. Version 2008. International Union for Conservation of Nature. Retrieved 6 January 2009. 
  2. ^ Emmons, Louise H. (1990). Neotropical rainforest mammals : a field guide. Illustrations: Feer, François. Chicago: University of Chicago Press. ISBN 0-226-20716-1. 
  3. ^ a b Manaf, Paulo; de Brito-Gitirana, Lycia; Oliveira, Elisabeth Spinelli (Jul 2003). "Evidence of chemical communication in the spiny rat Trinomys yonenagae (Echimyidae): Anal scent gland and social interactions". Canadian Journal of Zoology. 81 (7): 1138–43. doi:10.1139/z03-095.