Bigeye Numbfish vs Black-headed Heron

Narcine oculifera compared with Ardea melanocephala

Key Differences

• Bigeye Numbfish is Data Deficient while Black-headed Heron is Least Concern.

Taxonomic Classification

Rank	Bigeye Numbfish	Black-headed Heron
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Aves (Birds)
Order	Torpediniformes (electric ray)	Pelecaniformes (Pelecaniformes)
Family	Narcinidae	Ardeidae
Genus	Narcine	Ardea
Species	Narcine oculifera	Ardea melanocephala

Evolutionary Relationship

Bigeye Numbfish and Black-headed Heron share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye Numbfish

DD — Data Deficient

Black-headed Heron

LC — Least Concern

Physical Characteristics

Attribute	Bigeye Numbfish	Black-headed Heron
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bigeye Numbfish

Black-headed Heron

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway.

Bigeye Numbfish

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

Black-headed Heron

The Black-headed Heron (Ardea melanocephala) is a species in the genus Ardea. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.