Dwarf round ray vs Neotropical otter

Urotrygon nana compared with Lontra longicaudis

Key Differences

• Dwarf round ray is Near Threatened while Neotropical otter is Data Deficient.

Taxonomic Classification

Rank	Dwarf round ray	Neotropical otter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Carnivora (Carnivorans)
Family	Urotrygonidae	Mustelidae (Weasels & Otters)
Genus	Urotrygon	Lontra
Species	Urotrygon nana	Lontra longicaudis

Evolutionary Relationship

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

Conservation Status

Dwarf round ray

NT — Near Threatened

Neotropical otter

DD — Data Deficient

Physical Characteristics

Attribute	Dwarf round ray	Neotropical otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Neotropical otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.