Caatinga laucha vs Smith's False Brook Salamander

Calomys expulsus compared with Pseudoeurycea smithi

Key Differences

• Caatinga laucha is Least Concern while Smith's False Brook Salamander is Critically Endangered.

Taxonomic Classification

Rank	Caatinga laucha	Smith's False Brook Salamander
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Rodentia (Rodents)	Caudata (Caudata)
Family	Cricetidae	Plethodontidae
Genus	Calomys	Pseudoeurycea
Species	Calomys expulsus	Pseudoeurycea smithi

Evolutionary Relationship

Caatinga laucha and Smith's False Brook Salamander share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Caatinga laucha

LC — Least Concern

Smith's False Brook Salamander

CR — Critically Endangered

Physical Characteristics

Attribute	Caatinga laucha	Smith's False Brook Salamander
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caatinga laucha

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Smith's False Brook Salamander

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found in Mexico. Currently classified as Critically Endangered 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.