Corrugated Salamander vs Desmarest’s Spiny Pocket Mouse

Isthmura corrugata compared with Heteromys desmarestianus

Key Differences

• Corrugated Salamander is Critically Endangered while Desmarest’s Spiny Pocket Mouse is Least Concern.

Taxonomic Classification

Rank	Corrugated Salamander	Desmarest’s Spiny Pocket Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Mammalia (Mammals)
Order	Caudata (Caudata)	Rodentia (Rodents)
Family	Plethodontidae	Heteromyidae
Genus	Isthmura	Heteromys
Species	Isthmura corrugata	Heteromys desmarestianus

Evolutionary Relationship

Corrugated Salamander and Desmarest’s Spiny Pocket Mouse share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Corrugated Salamander

CR — Critically Endangered

Desmarest’s Spiny Pocket Mouse

LC — Least Concern

Physical Characteristics

Attribute	Corrugated Salamander	Desmarest’s Spiny Pocket Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Corrugated 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.

Desmarest’s Spiny Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.