Mentawai Langur vs undulate ray

Presbytis potenziani compared with Raja undulata

Key Differences

• Mentawai Langur is Critically Endangered while undulate ray is Endangered.

Taxonomic Classification

Rank	Mentawai Langur	undulate ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Primates (Primates)	Rajiformes (Rajiformes)
Family	Cercopithecidae (Old World Monkeys)	Rajidae
Genus	Presbytis	Raja
Species	Presbytis potenziani	Raja undulata

Evolutionary Relationship

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

Conservation Status

Mentawai Langur

CR — Critically Endangered

undulate ray

EN — Endangered

Physical Characteristics

Attribute	Mentawai Langur	undulate ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Mentawai Langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

undulate ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Belgium. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.