Bigeye thresher vs blackneck

Alopias pelagicus compared with Lygephila pastinum

Key Differences

• Bigeye thresher is Endangered while blackneck is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	blackneck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Chondrichthyes (Cartilaginous Fish)	Insecta (Insects)
Order	Lamniformes (Mackerel Sharks)	Lepidoptera (Butterflies & Moths)
Family	Alopiidae	Erebidae
Genus	Alopias	Lygephila
Species	Alopias pelagicus	Lygephila pastinum

Evolutionary Relationship

Bigeye thresher and blackneck share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bigeye thresher

EN — Endangered

blackneck

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	blackneck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bigeye thresher

Habitat

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

Range

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

blackneck

Habitat

Inhabits tropical and subtropical dry broadleaf forests within the Afrotropic biogeographic realm.

Range

Distributed across Belgium, Cabo Verde, Denmark, Norway, and Sweden.

Bigeye thresher

The Bigeye thresher (Alopias pelagicus) is a species in the genus Alopias. It is currently classified as Endangered on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

blackneck

The Blackneck (Lygephila pastinum) is a species in the genus Lygephila. It is currently classified as Least Concern on the IUCN Red List. Inhabits tropical and subtropical dry broadleaf forests within the Afrotropic biogeographic realm.