Dwarf round ray vs Four-toed Hedgehog

Urotrygon nana compared with Atelerix albiventris

Key Differences

• Dwarf round ray is Near Threatened while Four-toed Hedgehog is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Four-toed Hedgehog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Erinaceomorpha (Erinaceomorpha)
Family	Urotrygonidae	Erinaceidae
Genus	Urotrygon	Atelerix
Species	Urotrygon nana	Atelerix albiventris

Evolutionary Relationship

Dwarf round ray and Four-toed Hedgehog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Four-toed Hedgehog

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Four-toed Hedgehog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Four-toed Hedgehog

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Ecuador and Spain.