Bigeye Numbfish vs Giant Otter

Narcine oculifera compared with Pteronura brasiliensis

Key Differences

• Bigeye Numbfish is Data Deficient while Giant Otter is Endangered.

Taxonomic Classification

Rank	Bigeye Numbfish	Giant Otter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Torpediniformes (electric ray)	Carnivora (Carnivorans)
Family	Narcinidae	Mustelidae (Weasels & Otters)
Genus	Narcine	Pteronura
Species	Narcine oculifera	Pteronura brasiliensis

Evolutionary Relationship

Bigeye Numbfish and Giant Otter share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye Numbfish

DD — Data Deficient

Giant Otter

EN — Endangered

Physical Characteristics

Attribute	Bigeye Numbfish	Giant Otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bigeye Numbfish

Giant Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela. Currently classified as 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.