Oriental House Rat vs

Rattus tanezumi compared with Trichormus variabilis

Key Differences

• Oriental House Rat is Least Concern while is Not Evaluated.

Taxonomic Classification

Rank	Oriental House Rat
Kingdom	Animalia (Animals)	Bacteria (Bacteria)
Phylum	Chordata (Chordates)	Cyanobacteria (Cyanobacteria)
Class	Mammalia (Mammals)	Cyanobacteriia
Order	Rodentia (Rodents)	Cyanobacteriales
Family	Muridae (Mice & Rats)	Nostocaceae
Genus	Rattus	Trichormus
Species	Rattus tanezumi	Trichormus variabilis

Conservation Status

Oriental House Rat

LC — Least Concern

NE — Not Evaluated

Physical Characteristics

Attribute	Oriental House Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Oriental House Rat

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Oceanian biogeographic realm.

Range

Widely distributed across Africa (Eswatini, Lesotho, South Africa), Asia (Philippines, Taiwan), and Oceania and the Pacific (Kiribati).

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Trichormus variabilis is a filamentous, nitrogen-fixing cyanobacterium in the family Nostocaceae. It forms heterocysts — specialized nitrogen-fixing cells — within its trichomes and is found in freshwater, soil, and symbiotic associations. Its conservation status is not evaluated.