Desmarest’s Spiny Pocket Mouse vs Surprise Thorius

Heteromys desmarestianus compared with Thorius insperatus

Key Differences

• Desmarest’s Spiny Pocket Mouse is Least Concern while Surprise Thorius is Critically Endangered.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Desmarest’s Spiny Pocket Mouse

LC — Least Concern

Surprise Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Desmarest’s Spiny Pocket Mouse	Surprise Thorius
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Desmarest’s Spiny Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Surprise Thorius

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.