Polynesian rat vs White River Crayfish

Rattus exulans compared with Procambarus acutus

Key Differences

• Polynesian rat is Least Concern while White River Crayfish is Not Evaluated.

Taxonomic Classification

Rank	Polynesian rat	White River Crayfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Malacostraca (Crustaceans)
Order	Rodentia (Rodents)	Decapoda (Decapoda)
Family	Muridae (Mice & Rats)	Cambaridae
Genus	Rattus	Procambarus
Species	Rattus exulans	Procambarus acutus

Evolutionary Relationship

Polynesian rat and White River Crayfish share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Polynesian rat

LC — Least Concern

White River Crayfish

NE — Not Evaluated

Physical Characteristics

Attribute	Polynesian rat	White River Crayfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Polynesian rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (6 countries), Europe (United Kingdom), North America (United States), Oceania and the Pacific (11 countries), and South America (Chile).

White River Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found across Europe (6 countries).

Shared Countries

Both species can be found in 1 countries:

🇬🇧 United Kingdom