Blainvilles dogfish vs Cinnamon-colored Thomasomys

Squalus mitsukurii compared with Thomasomys cinnameus

Key Differences

• Blainvilles dogfish is Endangered while Cinnamon-colored Thomasomys is Least Concern.

Taxonomic Classification

Rank	Blainvilles dogfish	Cinnamon-colored Thomasomys
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Rodentia (Rodents)
Family	Squalidae	Cricetidae
Genus	Squalus	Thomasomys
Species	Squalus mitsukurii	Thomasomys cinnameus

Evolutionary Relationship

Blainvilles dogfish and Cinnamon-colored Thomasomys share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blainvilles dogfish

EN — Endangered

Cinnamon-colored Thomasomys

LC — Least Concern

Physical Characteristics

Attribute	Blainvilles dogfish	Cinnamon-colored Thomasomys
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blainvilles dogfish

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

Found in Chile. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Cinnamon-colored Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

Blainvilles dogfish

The Blainvilles dogfish (Squalus mitsukurii) is a species in the genus Squalus. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Cinnamon-colored Thomasomys

The Cinnamon-colored Thomasomys (Thomasomys cinnameus) is a species in the genus Thomasomys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.