Mastomys is a genus of rodents belonging to the family Muridae. These small mammals are commonly found in sub-Saharan Africa and are known for their adaptability to various habitats, including grasslands and forests. They have a distinctive appearance, characterized by their long tails and large ears. These rodents are primarily nocturnal and are known for their social behavior, often living in groups. Mastomys species are important in their ecosystems, serving as prey for various predators. They also play a role in seed dispersal, contributing to the health of their environments.