Blainvilles dogfish vs Popayán Thomasomys

Squalus mitsukurii compared with Thomasomys popayanus

Key Differences

• Blainvilles dogfish is Endangered while Popayán Thomasomys is Data Deficient.

Taxonomic Classification

Rank	Blainvilles dogfish	Popayán 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 popayanus

Evolutionary Relationship

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

Conservation Status

Blainvilles dogfish

EN — Endangered

Popayán Thomasomys

DD — Data Deficient

Physical Characteristics

Attribute	Blainvilles dogfish	Popayán 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.

Popayán Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

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.