Dwarf round ray vs Peruvian Ichthyomyine

Urotrygon nana compared with Neusticomys peruviensis

Key Differences

• Dwarf round ray is Near Threatened while Peruvian Ichthyomyine is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Peruvian Ichthyomyine
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	Neusticomys
Species	Urotrygon nana	Neusticomys peruviensis

Evolutionary Relationship

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

Conservation Status

Dwarf round ray

NT — Near Threatened

Peruvian Ichthyomyine

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Peruvian Ichthyomyine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Peruvian Ichthyomyine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.