Pacific Spiny-rat vs Stone Crayfish

Proechimys decumanus compared with Austropotamobius torrentium

Key Differences

• Pacific Spiny-rat is Near Threatened while Stone Crayfish is Data Deficient.

Taxonomic Classification

Rank	Pacific Spiny-rat	Stone Crayfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Malacostraca (Crustaceans)
Order	Rodentia (Rodents)	Decapoda (Decapoda)
Family	Echimyidae	Astacidae
Genus	Proechimys	Austropotamobius
Species	Proechimys decumanus	Austropotamobius torrentium

Evolutionary Relationship

Pacific Spiny-rat and Stone Crayfish share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Pacific Spiny-rat

NT — Near Threatened

Stone Crayfish

DD — Data Deficient

Physical Characteristics

Attribute	Pacific Spiny-rat	Stone Crayfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Stone Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.