Caatinga laucha vs Spotted Ray

Calomys expulsus compared with Bathyraja albomaculata

Key Differences

• Caatinga laucha is Least Concern while Spotted Ray is Vulnerable.

Taxonomic Classification

Rank	Caatinga laucha	Spotted Ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Rajiformes (Rajiformes)
Family	Cricetidae	Arhynchobatidae
Genus	Calomys	Bathyraja
Species	Calomys expulsus	Bathyraja albomaculata

Evolutionary Relationship

Caatinga laucha and Spotted Ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Caatinga laucha

LC — Least Concern

Spotted Ray

VU — Vulnerable

Physical Characteristics

Attribute	Caatinga laucha	Spotted Ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caatinga laucha

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Spotted Ray

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.