Dwarf round ray vs Fulvous Colilargo

Urotrygon nana compared with Oligoryzomys fulvescens

Key Differences

• Dwarf round ray is Near Threatened while Fulvous Colilargo is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Fulvous Colilargo
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Urotrygonidae	Cricetidae
Genus	Urotrygon	Oligoryzomys
Species	Urotrygon nana	Oligoryzomys fulvescens

Evolutionary Relationship

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

Conservation Status

Dwarf round ray

NT — Near Threatened

Fulvous Colilargo

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Fulvous Colilargo
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Fulvous Colilargo

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.