Rattus andamanensis is a species of rodents in the family murid rodents. They are found in the indo-malayan realm and the palearctic. They are nocturnalomnivores. Individuals can grow to 190 mm.
Definition: overall repetitive or reflective pattern in the body of one individual of this taxon. eg: bilateral symmetry, rotational symmetry, radial symmetry
Definition: The largest scale biogeographic division of the earth's surface based on the historic and evolutionary distribution patterns of plants and animals.