vs Brown Rat

Anisonema multicostatum compared with Rattus norvegicus

Key Differences

• is Not Evaluated while Brown Rat is Least Concern.

Taxonomic Classification

Rank		Brown Rat
Kingdom	Protozoa (protozoa)	Animalia (Animals)
Phylum	Euglenozoa (Euglenozoa)	Chordata (Chordates)
Class	Peranemea (Peranemea)	Mammalia (Mammals)
Order	Anisonemida (Anisonemida)	Rodentia (Rodents)
Family	Anisonemidae	Muridae (Mice & Rats)
Genus	Anisonema	Rattus
Species	Anisonema multicostatum	Rattus norvegicus

Conservation Status

NE — Not Evaluated

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute		Brown Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

Brown Rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (11 countries), Asia (15 countries), Europe (41 countries), North America (16 countries), Oceania and the Pacific (10 countries), and South America (10 countries).

Anisonema multicostatum is a heterotrophic euglenozoan flagellate found in freshwater and soil environments. Like other members of the genus Anisonema, it feeds by phagocytosis of bacteria and organic particles.

Brown Rat

Brown Rat (Rattus norvegicus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden