Caatinga-Vespermaus vs Pacific Spiny-rat

Calomys expulsus compared with Proechimys decumanus

Key Differences

• Caatinga-Vespermaus is Least Concern while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Caatinga-Vespermaus	Pacific Spiny-rat
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Mammalia (Säugetiere)	Mammalia (Säugetiere)
Order same	Rodentia (Nagetiere)	Rodentia (Nagetiere)
Family	Cricetidae	Echimyidae
Genus	Calomys	Proechimys
Species	Calomys expulsus	Proechimys decumanus

Evolutionary Relationship

Caatinga-Vespermaus and Pacific Spiny-rat share a common ancestor at the Order level: Rodentia. (Nagetiere)

Conservation Status

Caatinga-Vespermaus

LC — Least Concern

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Caatinga-Vespermaus	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caatinga-Vespermaus

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Caatinga-Vespermaus

The Caatinga laucha (Calomys expulsus) is a species in the genus Calomys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.