aquatic rat vs Dwarf round ray

Anotomys leander compared with Urotrygon nana

Key Differences

• aquatic rat is Endangered while Dwarf round ray is Near Threatened.

Taxonomic Classification

Rank	aquatic rat	Dwarf round ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Myliobatiformes (Myliobatiformes)
Family	Cricetidae	Urotrygonidae
Genus	Anotomys	Urotrygon
Species	Anotomys leander	Urotrygon nana

Evolutionary Relationship

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

Conservation Status

aquatic rat

EN — Endangered

Dwarf round ray

NT — Near Threatened

Physical Characteristics

Attribute	aquatic rat	Dwarf round ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

aquatic rat

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Distributed across Colombia and Ecuador. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Dwarf round ray

aquatic rat

The Aquatic rat (Anotomys leander) is a species in the genus Anotomys. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.