[4] Otto's sportive lemur has a grey-brown back and a grey to creamy underside.

A dark stripe runs from the uper skull down the spine and ending before the tail.

[3] Otto's sportive lemur is only known from dry deciduous forest at its type locality of Ambodimahabibo and three other nearby sites.

[1] Otto's sportive lemur is severely threatened by forest degradation and conversion due to shifting agriculture, and hunting by humans.

[1][3] Urgent research is needed to quantify population size and viability for the species.