Bigeye thresher vs Broadbacked stingaree

Alopias pelagicus compared with Urolophus expansus

Key Differences

• Bigeye thresher is Endangered while Broadbacked stingaree is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Broadbacked stingaree
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	Urolophidae
Genus	Alopias	Urolophus
Species	Alopias pelagicus	Urolophus expansus

Evolutionary Relationship

Bigeye thresher and Broadbacked stingaree share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye thresher

EN — Endangered

Broadbacked stingaree

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Broadbacked stingaree
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.

Broadbacked stingaree

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.

Broadbacked stingaree

The Broadbacked stingaree (Urolophus expansus) is a species in the genus Urolophus. It is currently classified as Least Concern on the IUCN Red List.