Individuals have a forearm length of approximately. The fur of its back is dark brown, with individual hairs tricolored: hairs are dark brown at the base, light- or whitish-brown in the middle, and dark brown again at the tips. There are two stripes of lighter fur on its back, running along the flight membranes. Its belly fur is more drab in color.
It is considered endangered by the IUCN. It meets the criteria for this designation because it is known from fewer than five locations on a single island. The island regularly experiences disturbances such as cyclones, which could negatively impact this species.