Bigeye thresher vs Subarctic Darner

Alopias pelagicus compared with Aeshna subarctica

Key Differences

• Bigeye thresher is Endangered while Subarctic Darner is Extinct.

Taxonomic Classification

Rank	Bigeye thresher	Subarctic Darner
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Chondrichthyes (Cartilaginous Fish)	Insecta (Insects)
Order	Lamniformes (Mackerel Sharks)	Odonata (Odonata)
Family	Alopiidae	Aeshnidae
Genus	Alopias	Aeshna
Species	Alopias pelagicus	Aeshna subarctica

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Subarctic Darner

EX — Extinct

Physical Characteristics

Attribute	Bigeye thresher	Subarctic Darner
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.

Subarctic Darner

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

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.