Arrowhead dogfish vs Merriam’s Pocket Mouse

Deania profundorum compared with Perognathus merriami

Key Differences

• Arrowhead dogfish is Near Threatened while Merriam’s Pocket Mouse is Least Concern.

Taxonomic Classification

Rank	Arrowhead dogfish	Merriam’s Pocket Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Rodentia (Rodents)
Family	Centrophoridae	Heteromyidae
Genus	Deania	Perognathus
Species	Deania profundorum	Perognathus merriami

Evolutionary Relationship

Arrowhead dogfish and Merriam’s Pocket Mouse share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Arrowhead dogfish

NT — Near Threatened

Merriam’s Pocket Mouse

LC — Least Concern

Physical Characteristics

Attribute	Arrowhead dogfish	Merriam’s Pocket Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arrowhead dogfish

Habitat

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

Range

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

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Arrowhead dogfish

The Arrowhead dogfish, Deania profundorum, is a species. It is currently assessed as near threatened on the IUCN Red List. Native to Asia and Europe, inhabiting ecosystems characteristic of the region.