Fatspine spurdog vs Gray Mouse Opossum

Squalus crassispinus compared with Tlacuatzin canescens

Taxonomic Classification

Rank	Fatspine spurdog	Gray Mouse Opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Didelphimorphia (Didelphimorphia)
Family	Squalidae	Didelphidae
Genus	Squalus	Tlacuatzin
Species	Squalus crassispinus	Tlacuatzin canescens

Evolutionary Relationship

Fatspine spurdog and Gray Mouse Opossum share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Fatspine spurdog

LC — Least Concern

Gray Mouse Opossum

LC — Least Concern

Physical Characteristics

Attribute	Fatspine spurdog	Gray Mouse Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fatspine spurdog

Gray Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.