Caatinga laucha vs Dwarf round ray

Calomys expulsus compared with Urotrygon nana

Key Differences

• Caatinga laucha is Least Concern while Dwarf round ray is Near Threatened.

Taxonomic Classification

Rank	Caatinga laucha	Dwarf round ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Myliobatiformes (Myliobatiformes)
Family	Cricetidae	Urotrygonidae
Genus	Calomys	Urotrygon
Species	Calomys expulsus	Urotrygon nana

Evolutionary Relationship

Caatinga laucha and Dwarf round ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Caatinga laucha

LC — Least Concern

Dwarf round ray

NT — Near Threatened

Physical Characteristics

Attribute	Caatinga laucha	Dwarf round ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caatinga laucha

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Dwarf round ray

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.