Bigeye thresher vs Variable Chafer

Alopias pelagicus compared with Gnorimus variabilis

Key Differences

• Bigeye thresher is Endangered while Variable Chafer is Extinct.

Taxonomic Classification

Rank	Bigeye thresher	Variable Chafer
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Chondrichthyes (Cartilaginous Fish)	Insecta (Insects)
Order	Lamniformes (Mackerel Sharks)	Coleoptera (Beetles)
Family	Alopiidae	Scarabaeidae
Genus	Alopias	Gnorimus
Species	Alopias pelagicus	Gnorimus variabilis

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Variable Chafer

EX — Extinct

Physical Characteristics

Attribute	Bigeye thresher	Variable Chafer
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.

Variable Chafer

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and Switzerland.

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.