Dwarf round ray vs Mentawai Langur

Urotrygon nana compared with Presbytis potenziani

Key Differences

• Dwarf round ray is Near Threatened while Mentawai Langur is Critically Endangered.

Taxonomic Classification

Rank	Dwarf round ray	Mentawai Langur
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Primates (Primates)
Family	Urotrygonidae	Cercopithecidae (Old World Monkeys)
Genus	Urotrygon	Presbytis
Species	Urotrygon nana	Presbytis potenziani

Evolutionary Relationship

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

Conservation Status

Dwarf round ray

NT — Near Threatened

Mentawai Langur

CR — Critically Endangered

Physical Characteristics

Attribute	Dwarf round ray	Mentawai Langur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Mentawai Langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.