Chickamauga Crayfish vs Polynesian rat

Cambarus extraneus compared with Rattus exulans

Key Differences

• Chickamauga Crayfish is Data Deficient while Polynesian rat is Least Concern.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Chickamauga Crayfish

DD — Data Deficient

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Chickamauga Crayfish	Polynesian rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chickamauga Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found in Norway.

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).

Chickamauga Crayfish

The Chickamauga Crayfish (Cambarus extraneus) is a species in the genus Cambarus. It is currently classified as Data Deficient on the IUCN Red List. Typically found in marine, freshwater, and terrestrial environments.