Bigeye thresher vs Emerald Spreadwing

Alopias pelagicus compared with Lestes dryas

Key Differences

• Bigeye thresher is Endangered while Emerald Spreadwing is Vulnerable.

Taxonomic Classification

Rank	Bigeye thresher	Emerald Spreadwing
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	Lestidae
Genus	Alopias	Lestes
Species	Alopias pelagicus	Lestes dryas

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Emerald Spreadwing

VU — Vulnerable

Physical Characteristics

Attribute	Bigeye thresher	Emerald Spreadwing
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.

Emerald Spreadwing

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (United States). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Emerald Spreadwing

Emerald Spreadwing (Lestes dryas) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.