The Anjouan Myotis is documented only on Anjouan in the Comoros. A 2006 survey captured one lactating female in a tunnel near sea level.
One female captured on Anjouan had a total length of 93 mm, a forearm length of 43 mm, and a mass of 6.6 g.
On 26 November 2006, one lactating adult female was captured in a tunnel near sea level on Anjouan.
The capture site was surrounded by heavily disturbed forest and agricultural plots.
The lactating adult female captured in 2006 had one placental scar in the uterus.
An extinction-risk assessment has not been added yet.