Bigeye Numbfish vs Grizzled Colilargo

Narcine oculifera compared with Oligoryzomys griseolus

Key Differences

• Bigeye Numbfish is Data Deficient while Grizzled Colilargo is Least Concern.

Taxonomic Classification

Rank	Bigeye Numbfish	Grizzled Colilargo
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Torpediniformes (electric ray)	Rodentia (Rodents)
Family	Narcinidae	Cricetidae
Genus	Narcine	Oligoryzomys
Species	Narcine oculifera	Oligoryzomys griseolus

Evolutionary Relationship

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

Conservation Status

Bigeye Numbfish

DD — Data Deficient

Grizzled Colilargo

LC — Least Concern

Physical Characteristics

Attribute	Bigeye Numbfish	Grizzled Colilargo
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bigeye Numbfish

Grizzled Colilargo

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Bigeye Numbfish

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