Eisentraut's mouse shrew has a type locality in the highlands of Bioko Island. A Mammals of Africa table classifies its habitat as rain forest.
A Mammals of Africa table gives a mean head-and-body length of 77 mm and a tail about 45–55% as long as the head and body.
The Mammals of Africa table classifies its habitat as rain forest and places it in the western region.
An extinction-risk assessment has not been added yet.