Dwarf round ray vs Guinea pig

Urotrygon nana compared with Cavia porcellus

Key Differences

• Dwarf round ray is Near Threatened while Guinea pig is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Guinea pig
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Urotrygonidae	Caviidae
Genus	Urotrygon	Cavia
Species	Urotrygon nana	Cavia porcellus

Evolutionary Relationship

Dwarf round ray and Guinea pig share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Guinea pig

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Guinea pig
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Guinea pig

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Europe (6 countries), North America (Cuba), Oceania and the Pacific (Australia), and South America (Colombia, Ecuador).