Bigeye Numbfish vs Chestnut Short-tailed Bat

Narcine oculifera compared with Carollia castanea

Key Differences

• Bigeye Numbfish is Data Deficient while Chestnut Short-tailed Bat is Least Concern.

Taxonomic Classification

Rank	Bigeye Numbfish	Chestnut Short-tailed Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Torpediniformes (electric ray)	Chiroptera (Bats)
Family	Narcinidae	Phyllostomidae
Genus	Narcine	Carollia
Species	Narcine oculifera	Carollia castanea

Evolutionary Relationship

Bigeye Numbfish and Chestnut Short-tailed Bat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye Numbfish

DD — Data Deficient

Chestnut Short-tailed Bat

LC — Least Concern

Physical Characteristics

Attribute	Bigeye Numbfish	Chestnut Short-tailed Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bigeye Numbfish

Chestnut Short-tailed Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Bigeye Numbfish

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

Chestnut Short-tailed Bat

The Chestnut Short-tailed Bat (Carollia castanea) is a species in the genus Carollia. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.