Arraia vs Merriam’s Pocket Mouse

Hypanus americanus compared with Perognathus merriami

Key Differences

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

Taxonomic Classification

Rank	Arraia	Merriam’s Pocket Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Elasmobranchii	Mammalia (mamíferos)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Roedores)
Family	Dasyatidae	Heteromyidae
Genus	Hypanus	Perognathus
Species	Hypanus americanus	Perognathus merriami

Evolutionary Relationship

Arraia and Merriam’s Pocket Mouse share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Arraia

NT — Near Threatened

Merriam’s Pocket Mouse

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Arraia

Habitat

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

Range

Found in Venezuela. 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.