Gray Mouse Opossum vs Smith's Thorius

Tlacuatzin canescens compared with Thorius smithi

Key Differences

• Gray Mouse Opossum is Least Concern while Smith's Thorius is Critically Endangered.

Taxonomic Classification

Rank	Gray Mouse Opossum	Smith's Thorius
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Didelphimorphia (Didelphimorphia)	Caudata (Caudata)
Family	Didelphidae	Plethodontidae
Genus	Tlacuatzin	Thorius
Species	Tlacuatzin canescens	Thorius smithi

Evolutionary Relationship

Gray Mouse Opossum and Smith's Thorius share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gray Mouse Opossum

LC — Least Concern

Smith's Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Gray Mouse Opossum	Smith's Thorius
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Smith's 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.