[5] The specific epithet imasmari means "riddle" in the indigenous Quechua language.

[2] Ameerega imasmari is a small species of Ameerega, adult males are slightly smaller than females (sexual dimorphism): males' size ranges from 18.3 to 19.0 mm and females' size ranges from 19.8 to 21.8 mm.

[6] Ameerega imasmari is found in southern Peru (Cuzco, Junín and Pasco) at elevations of 200–400 m,[5][6] especially purma forest.

[1] After the eggs hatch, the adult frogs carry the tadpoles to water.

What danger it faces takes the form of habitat loss from fires and subsistence farming and logging.