Murine Mouse Opossum
Marmosa murina 
Size: body=12 cm; tail=30 cm; weight=40 g 
Description: Small sized: relatively short fur; back and head greyish or reddish brown; cheeks and belly salmon-coloured or pinkish (not white) and not contrasting strongly with colour of back and sides; prominent black eye-ring. Long naked, prehensile tail. Female does not have a pouch. Eyeshine bright red. 
Activity: Nocturnal, arboreal and terrestrial. 
Habits: Solitary, it mainly eats insects. Forages in low vines and on the forest floor for insects and the occasional fruit. It is most commonly found up to 3 metres above ground. When approached closely (and deliberately) it will freeze motionless in the beam of a light to the point that it can even be petted. 
Habitat: One of the most common mouse-opossums in secondary forest and near clearings. Often found near the edges of streams, in dense vegetation and in vine tangles. Sometimes enters houses and buildings at the edge of forest. 
Status: Locally common in Iwokrama. 
Distribution in Iwokrama