Bigeye thresher vs Three-tailed swallowtail

Alopias pelagicus compared with Papilio multicaudata

Key Differences

• Bigeye thresher is Endangered while Three-tailed swallowtail is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Three-tailed swallowtail
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	Papilionidae
Genus	Alopias	Papilio
Species	Alopias pelagicus	Papilio multicaudata

Evolutionary Relationship

Bigeye thresher and Three-tailed swallowtail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bigeye thresher

EN — Endangered

Three-tailed swallowtail

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Three-tailed swallowtail
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.

Three-tailed swallowtail

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in Canada.

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.