Bigeye Numbfish vs Lesser Noctule

Narcine oculifera compared with Nyctalus leisleri

Key Differences

• Bigeye Numbfish is Data Deficient while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Bigeye Numbfish	Lesser Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Torpediniformes (electric ray)	Chiroptera (Bats)
Family	Narcinidae	Vespertilionidae
Genus	Narcine	Nyctalus
Species	Narcine oculifera	Nyctalus leisleri

Evolutionary Relationship

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

Conservation Status

Bigeye Numbfish

DD — Data Deficient

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Bigeye Numbfish	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bigeye Numbfish

Lesser Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Luxembourg, Sweden, and Ukraine. 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.