Caatinga laucha vs Extremely Minute Salamander

Calomys expulsus compared with Thorius minutissimus

Key Differences

• Caatinga laucha is Least Concern while Extremely Minute Salamander is Critically Endangered.

Taxonomic Classification

Rank	Caatinga laucha	Extremely Minute 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	Thorius
Species	Calomys expulsus	Thorius minutissimus

Evolutionary Relationship

Caatinga laucha and Extremely Minute Salamander share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Caatinga laucha

LC — Least Concern

Extremely Minute Salamander

CR — Critically Endangered

Physical Characteristics

Attribute	Caatinga laucha	Extremely Minute Salamander
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caatinga laucha

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Extremely Minute Salamander

Habitat

Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

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.