The single species, M. coquereli, occurs on the northwest and west-central coasts of Madagascar. Head and body length is about 250 mm, tail length is about 280 mm, and weight is 280-335 grams. The underparts are yellowish gray.
Facial markings are indistinct or absent.
The ears are long and hairless. Females have two pairs of mammae. Mirza is much larger than Microcebus. During the wet season it has a varied diet consisting of fruits, flowers, gums, insects, spiders, frogs, lizards, small birds, and eggs. Males are solitary and seem to defend their core areas from other males.