Dwarf round ray vs Hummelinck s Laucha

Urotrygon nana compared with Calomys hummelincki

Key Differences

• Dwarf round ray is Near Threatened while Hummelinck s Laucha is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Hummelinck s Laucha
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	Calomys
Species	Urotrygon nana	Calomys hummelincki

Evolutionary Relationship

Dwarf round ray and Hummelinck s Laucha share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Hummelinck s Laucha

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Hummelinck s Laucha
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Hummelinck s Laucha

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.