Fake round ray vs Humboldt's Squirrel Monkey

Urotrygon simulatrix compared with Saimiri cassiquiarensis

Key Differences

• Fake round ray is Vulnerable while Humboldt's Squirrel Monkey is Near Threatened.

Taxonomic Classification

Rank	Fake round ray	Humboldt's Squirrel Monkey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Primates (Primates)
Family	Urotrygonidae	Cebidae
Genus	Urotrygon	Saimiri
Species	Urotrygon simulatrix	Saimiri cassiquiarensis

Evolutionary Relationship

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

Conservation Status

Fake round ray

VU — Vulnerable

Humboldt's Squirrel Monkey

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

Fake round ray

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.