Fen Dwarf vs Guaira Spiny-rat

Elachista pomerana compared with Proechimys guairae

Key Differences

• Fen Dwarf is Endangered while Guaira Spiny-rat is Least Concern.

Taxonomic Classification

Rank	Fen Dwarf	Guaira Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Rodentia (Rodents)
Family	Elachistidae	Echimyidae
Genus	Elachista	Proechimys
Species	Elachista pomerana	Proechimys guairae

Evolutionary Relationship

Fen Dwarf and Guaira Spiny-rat share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Fen Dwarf

EN — Endangered

Guaira Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Fen Dwarf	Guaira Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fen Dwarf

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Guaira Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.