The Tanzanian shaggy rat (Dasymys sua) is a species of shaggy marsh rat endemic to eastern Tanzania, near the Uluguru Mountains.
Covered in soft, shaggy, reddish to brown fur. Broad shaped head with a short muzzle. Rounded ears with a distinct furriness to the interior. Tail is shorter than the head to body length.
Dasymys sua thrives in marshes and other wetlands.
Dasymys sua is nocturnal, similar to other members of its genus.