Big Water Crayfish vs Little Ground Squirrel

Cambarus robustus compared with Spermophilus pygmaeus

Taxonomic Classification

Rank	Big Water Crayfish	Little Ground Squirrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Malacostraca (Crustaceans)	Mammalia (Mammals)
Order	Decapoda (Decapoda)	Rodentia (Rodents)
Family	Cambaridae	Sciuridae (Squirrels)
Genus	Cambarus	Spermophilus
Species	Cambarus robustus	Spermophilus pygmaeus

Evolutionary Relationship

Big Water Crayfish and Little Ground Squirrel share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Big Water Crayfish

LC — Least Concern

Little Ground Squirrel

LC — Least Concern

Physical Characteristics

Attribute	Big Water Crayfish	Little Ground Squirrel
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.

Little Ground Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Russia and Ukraine.

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.