Bigeye thresher vs Olive-haired Swift

Alopias pelagicus compared with Borbo borbonica

Key Differences

• Bigeye thresher is Endangered while Olive-haired Swift is Not Evaluated.

Taxonomic Classification

Rank	Bigeye thresher	Olive-haired Swift
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	Hesperiidae
Genus	Alopias	Borbo
Species	Alopias pelagicus	Borbo borbonica

Evolutionary Relationship

Bigeye thresher and Olive-haired Swift share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bigeye thresher

EN — Endangered

Olive-haired Swift

NE — Not Evaluated

Physical Characteristics

Attribute	Bigeye thresher	Olive-haired Swift
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.

Olive-haired Swift

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in Spain.

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.