Brown Rat vs Fatmucket

Rattus norvegicus compared with Lampsilis siliquoidea

Taxonomic Classification

Rank	Brown Rat	Fatmucket
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Rodentia (Rodents)	Unionida (Unionida)
Family	Muridae (Mice & Rats)	Unionidae
Genus	Rattus	Lampsilis
Species	Rattus norvegicus	Lampsilis siliquoidea

Evolutionary Relationship

Brown Rat and Fatmucket share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brown Rat

LC — Least Concern

Fatmucket

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

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).

Fatmucket

Habitat

Native to North America, inhabiting ecosystems characteristic of the region.

Range

Found in United States.

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 1 countries:

🇺🇸 United States