Dwarf round ray vs Ecuadorean Spiny Pocket Mouse

Urotrygon nana compared with Heteromys teleus

Key Differences

• Dwarf round ray is Near Threatened while Ecuadorean Spiny Pocket Mouse is Vulnerable.

Taxonomic Classification

Rank	Dwarf round ray	Ecuadorean Spiny Pocket Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Urotrygonidae	Heteromyidae
Genus	Urotrygon	Heteromys
Species	Urotrygon nana	Heteromys teleus

Evolutionary Relationship

Dwarf round ray and Ecuadorean Spiny Pocket Mouse share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Ecuadorean Spiny Pocket Mouse

VU — Vulnerable

Physical Characteristics

Attribute	Dwarf round ray	Ecuadorean Spiny Pocket Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Ecuadorean Spiny Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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