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Home > Small / Exotic mammals > Exotic mammals > Short-Tailed Opossum

Short-Tailed Opossum

Other name:
 STO; Gray Short-tailed Opossum; Brazilian Opossum; Rainforest Opossum; South American Short-tailed Opossum; House Opossum; Colicorto Gris

Scientific name: Monodelphis domestica

Country / Place of origin: South America

History: The Short-tailed Opossum is a small, nocturnal marsupial which is native to rain forests in Brazil, Bolivia, Chile, and Paraguay. The Short-tailed Opossum was introduced to the international pet trade in 1994 and have since become popular pets. Brazil has now prohibited their exportation, so STO's available as pets are all captive bred. The International Union for Conservation of Nature and Natural Resources (ICUN) lists the status of the Short-Tailed Opossum in the wild as being of "Least Concern".

The Short-Tailed Opossum is widely used in laboratory research, and was the first marsupial to have its genome sequenced. Genome sequence of the STO has helped our understanding of the evolution of the mammalian immune system.

Owners say:
fascinating animals, play time, charming little creatures
pungent odor, SMELL Shorttailed opossum, teeny bit nippy.STO, razor sharp teeth, cages you'd need
varied diet, live insects, great hunters, tall cage, hamster ball
Overall review
  • Currently 100
4.4 (6)
The Short-Tailed Opossum is a cute and charismatic an...
Review by: RobWedderburn (86) February 04, 2016 03:57
  • Currently 100
1 photo
Short-tailed opossum's are a fun pet and don't take a...
Review by: Jsbrett81 (3) September 20, 2015 09:22
  • Currently 100
Kimberly Webb
I bought my STO from a reputable USDA breeder. He was...
Review by: Kimberly Webb (27) December 22, 2012 01:44
  • Currently 100
1 photo
These little mouse opossums are very affectionate. T...
Review by: kitaluna (1) updated July 18, 2012 14:19
  • Currently 100
1 photo
I am an experienced STO breeder. I have worked with t...
Review by: carrie1674 (1) October 07, 2011 08:32
  • Currently 100
Learn about (1 video)
STO Babies! 6 Weeks Old!
  • Currently 100
5.0 (1)
186 Views        Comments
Caring for (3 videos)
Pet Short-Tailed Opossum Care Information
  • Currently 100
5.0 (1)
231 Views        Comments
Brazilian short tailed opossum 'Lucy' ...
  • Currently 100
5.0 (1)
115 Views        Comments
Brazilian Short Tailed Opossum Care
  • Currently 100
4.0 (1)
160 Views        Comments

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