Humboldt's Squirrel Monkey vs undulate ray

Saimiri cassiquiarensis compared with Raja undulata

Key Differences

• Humboldt's Squirrel Monkey is Near Threatened while undulate ray is Endangered.

Taxonomic Classification

Rank	Humboldt's Squirrel Monkey	undulate ray
Kingdom same	Animalia (hewan)	Animalia (hewan)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (mamalia)	Elasmobranchii
Order	Primates (Primata)	Rajiformes (Rajiformes)
Family	Cebidae	Rajidae
Genus	Saimiri	Raja
Species	Saimiri cassiquiarensis	Raja undulata

Evolutionary Relationship

Humboldt's Squirrel Monkey and undulate ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Humboldt's Squirrel Monkey

NT — Near Threatened

undulate ray

EN — Endangered

Physical Characteristics

Attribute	Humboldt's Squirrel Monkey	undulate ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Humboldt's Squirrel Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.