1) SA opossum 
an amphibious opossum of South America
marsupial mammal, a species of opossum (q.v.).[1 related articles]
Nocturnal opossum Chironectes minimus found in tropical South and Central America. It is about 33 cm/1.1 ft long, with a 40 cm/1.3 ft tail. It has webbed hind feet and thick fur, and is the only aquatic marsupial. The female has a watertight pouch
an aquatic Central and South American opossum, Chironectes variegatus (or minimus), having webbed hind feet and a grayish coat. Also called