Amazonian Marsh Rat vs Least Crayfish

Holochilus sciureus compared with Cambarellus diminutus

Key Differences

• Amazonian Marsh Rat is Least Concern while Least Crayfish is Data Deficient.

Taxonomic Classification

Rank	Amazonian Marsh Rat	Least Crayfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Malacostraca (Crustaceans)
Order	Rodentia (Rodents)	Decapoda (Decapoda)
Family	Cricetidae	Cambaridae
Genus	Holochilus	Cambarellus
Species	Holochilus sciureus	Cambarellus diminutus

Evolutionary Relationship

Amazonian Marsh Rat and Least Crayfish share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Least Crayfish

DD — Data Deficient

Physical Characteristics

Attribute	Amazonian Marsh Rat	Least Crayfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazonian Marsh Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Least Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found in Norway.

Amazonian Marsh Rat

The Amazonian Marsh Rat (Holochilus sciureus) is a species in the genus Holochilus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.