Big Water Crayfish vs Chickamauga Crayfish

Cambarus robustus compared with Cambarus extraneus

Key Differences

• Big Water Crayfish is Least Concern while Chickamauga Crayfish is Data Deficient.

Taxonomic Classification

Rank	Big Water Crayfish	Chickamauga Crayfish
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Arthropoda (Gliederfüßer)	Arthropoda (Gliederfüßer)
Class same	Malacostraca (Höhere Krebse)	Malacostraca (Höhere Krebse)
Order same	Decapoda (Zehnfußkrebse)	Decapoda (Zehnfußkrebse)
Family same	Cambaridae	Cambaridae
Genus same	Cambarus	Cambarus
Species	Cambarus robustus	Cambarus extraneus

Evolutionary Relationship

Big Water Crayfish and Chickamauga Crayfish share a common ancestor at the Genus level: Cambarus.

Conservation Status

Big Water Crayfish

LC — Least Concern

Chickamauga Crayfish

DD — Data Deficient

Physical Characteristics

Attribute	Big Water Crayfish	Chickamauga Crayfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big Water Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found in United States.

Chickamauga Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found in Norway.

Big Water Crayfish

The Big Water Crayfish (Cambarus robustus) is a species in the genus Cambarus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine, freshwater, and terrestrial environments.

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.