Caatinga laucha vs Raya

Calomys expulsus compared with Myliobatis peruvianus

Key Differences

• Caatinga laucha is Least Concern while Raya is Vulnerable.

Taxonomic Classification

Rank	Caatinga laucha	Raya
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Elasmobranchii
Order	Rodentia (Rodents)	Myliobatiformes (Myliobatiformes)
Family	Cricetidae	Myliobatidae
Genus	Calomys	Myliobatis
Species	Calomys expulsus	Myliobatis peruvianus

Evolutionary Relationship

Caatinga laucha and Raya share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Caatinga laucha

LC — Least Concern

Raya

VU — Vulnerable

Physical Characteristics

Attribute	Caatinga laucha	Raya
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caatinga laucha

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Raya

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Chile. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.