Množina reči yapok je yapoks.
an amphibious opossum of South America
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.