Big eye thresher shark vs Black Duiker

Alopias superciliosus compared with Cephalophus niger

Key Differences

• Big eye thresher shark is Vulnerable while Black Duiker is Least Concern.

Taxonomic Classification

Rank	Big eye thresher shark	Black Duiker
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Lamniformes (Mackerel Sharks)	Artiodactyla (Even-toed Ungulates)
Family	Alopiidae	Bovidae (Bovids)
Genus	Alopias	Cephalophus
Species	Alopias superciliosus	Cephalophus niger

Evolutionary Relationship

Big eye thresher shark and Black Duiker share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big eye thresher shark

VU — Vulnerable

Black Duiker

LC — Least Concern

Physical Characteristics

Attribute	Big eye thresher shark	Black Duiker
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big eye thresher shark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Distributed across Chile, Colombia, Portugal, Taiwan, and Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Black Duiker

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Big eye thresher shark

The Big eye thresher shark (Alopias superciliosus) is a species in the genus Alopias. It is currently classified as Vulnerable on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

Black Duiker

The Black Duiker (Cephalophus niger) is a species in the genus Cephalophus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.