Bigeye thresher vs Juan Fernandez fur seal

Alopias pelagicus compared with Arctocephalus philippii

Key Differences

• Bigeye thresher is Endangered while Juan Fernandez fur seal is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Juan Fernandez fur seal
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Lamniformes (Mackerel Sharks)	Carnivora (Carnivorans)
Family	Alopiidae	Otariidae
Genus	Alopias	Arctocephalus
Species	Alopias pelagicus	Arctocephalus philippii

Evolutionary Relationship

Bigeye thresher and Juan Fernandez fur seal share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye thresher

EN — Endangered

Juan Fernandez fur seal

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Juan Fernandez fur seal
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.

Juan Fernandez fur seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

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.

Shared Countries

Both species can be found in 1 countries:

🇨🇴 Colombia