Bigeye thresher vs Fernando Po Swift

Alopias pelagicus compared with Apus sladeniae

Key Differences

• Bigeye thresher is Endangered while Fernando Po Swift is Data Deficient.

Taxonomic Classification

Rank	Bigeye thresher	Fernando Po Swift
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Aves (Birds)
Order	Lamniformes (Mackerel Sharks)	Apodiformes (Apodiformes)
Family	Alopiidae	Apodidae
Genus	Alopias	Apus
Species	Alopias pelagicus	Apus sladeniae

Evolutionary Relationship

Bigeye thresher and Fernando Po Swift share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye thresher

EN — Endangered

Fernando Po Swift

DD — Data Deficient

Physical Characteristics

Attribute	Bigeye thresher	Fernando Po 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.

Fernando Po Swift

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

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.