Bigeye Numbfish vs Brown Spider Monkey

Narcine oculifera compared with Ateles hybridus

Key Differences

Bigeye Numbfish is Data Deficient while Brown Spider Monkey is Critically Endangered.

Taxonomic Classification

Rank	Bigeye Numbfish	Brown Spider Monkey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Torpediniformes (electric ray)	Primates (Primates)
Family	Narcinidae	Atelidae
Genus	Narcine	Ateles
Species	Narcine oculifera	Ateles hybridus

Evolutionary Relationship

Bigeye Numbfish and Brown Spider Monkey share a common ancestor at the Phylum level: Chordata. (Chordates)

View Phylum: Chordata

Conservation Status

Bigeye Numbfish

DD — Data Deficient

Brown Spider Monkey

CR — Critically Endangered

Physical Characteristics

Attribute	Bigeye Numbfish	Brown Spider Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bigeye Numbfish

Brown Spider Monkey

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

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

Bigeye Numbfish

The Bigeye Numbfish (Narcine oculifera) is a species in the genus Narcine.

Brown Spider Monkey

The Brown Spider Monkey (Ateles hybridus) is a species in the genus Ateles. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types spanning the