Caatinga laucha vs Pacific Spiny-rat

Calomys expulsus compared with Proechimys decumanus

Key Differences

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

Taxonomic Classification

Rank	Caatinga laucha	Pacific Spiny-rat
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order same	Rodentia (啮齿目)	Rodentia (啮齿目)
Family	Cricetidae	Echimyidae
Genus	Calomys	Proechimys
Species	Calomys expulsus	Proechimys decumanus

Evolutionary Relationship

Caatinga laucha and Pacific Spiny-rat share a common ancestor at the Order level: Rodentia. (啮齿目)

Conservation Status

Caatinga laucha

LC — Least Concern

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

Caatinga laucha

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 laucha

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.