Bigeye thresher vs Longheaded eagle ray

Alopias pelagicus compared with Aetobatus narutobiei

Key Differences

• Bigeye thresher is Endangered while Longheaded eagle ray is Vulnerable.

Taxonomic Classification

Rank	Bigeye thresher	Longheaded eagle ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Elasmobranchii
Order	Lamniformes (Mackerel Sharks)	Myliobatiformes (Myliobatiformes)
Family	Alopiidae	Myliobatidae
Genus	Alopias	Aetobatus
Species	Alopias pelagicus	Aetobatus narutobiei

Evolutionary Relationship

Bigeye thresher and Longheaded eagle ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye thresher

EN — Endangered

Longheaded eagle ray

VU — Vulnerable

Physical Characteristics

Attribute	Bigeye thresher	Longheaded eagle ray
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.

Longheaded eagle ray

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.