Dwarf round ray vs Golden Thomasomys

Urotrygon nana compared with Thomasomys aureus

Key Differences

• Dwarf round ray is Near Threatened while Golden Thomasomys is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Golden Thomasomys
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class	Elasmobranchii	Mammalia (lớp Thú)
Order	Myliobatiformes (Bộ Cá đuối ó)	Rodentia (Bộ Gặm nhấm)
Family	Urotrygonidae	Cricetidae
Genus	Urotrygon	Thomasomys
Species	Urotrygon nana	Thomasomys aureus

Evolutionary Relationship

Dwarf round ray and Golden Thomasomys share a common ancestor at the Phylum level: Chordata. (động vật có dây sống)

Conservation Status

Dwarf round ray

NT — Near Threatened

Golden Thomasomys

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Golden Thomasomys
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Golden Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.