Amazonian manatee vs Dwarf round ray

Trichechus inunguis compared with Urotrygon nana

Key Differences

• Amazonian manatee is Vulnerable while Dwarf round ray is Near Threatened.

Taxonomic Classification

Rank	Amazonian manatee	Dwarf round ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Sirenia (Sirenia)	Myliobatiformes (Myliobatiformes)
Family	Trichechidae	Urotrygonidae
Genus	Trichechus	Urotrygon
Species	Trichechus inunguis	Urotrygon nana

Evolutionary Relationship

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

Conservation Status

Amazonian manatee

VU — Vulnerable

Dwarf round ray

NT — Near Threatened

Physical Characteristics

Attribute	Amazonian manatee	Dwarf round ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazonian manatee

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Dwarf round ray

Amazonian manatee

The Amazonian manatee (Trichechus inunguis) is a species in the genus Trichechus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.