Birdbeak dogfish vs Olive-gray Thomasomys

Deania calcea compared with Thomasomys cinereus

Key Differences

• Birdbeak dogfish is Near Threatened while Olive-gray Thomasomys is Least Concern.

Taxonomic Classification

Rank	Birdbeak dogfish	Olive-gray Thomasomys
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Rodentia (Rodents)
Family	Centrophoridae	Cricetidae
Genus	Deania	Thomasomys
Species	Deania calcea	Thomasomys cinereus

Evolutionary Relationship

Birdbeak dogfish and Olive-gray Thomasomys share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Birdbeak dogfish

NT — Near Threatened

Olive-gray Thomasomys

LC — Least Concern

Physical Characteristics

Attribute	Birdbeak dogfish	Olive-gray Thomasomys
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Birdbeak dogfish

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Chile, Norway, and Taiwan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Olive-gray Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

Birdbeak dogfish

The Birdbeak dogfish (Deania calcea) is a species in the genus Deania. It is currently classified as Near Threatened on the IUCN Red List. Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.