Bigeye thresher vs Niger stingray

Alopias pelagicus compared with Fontitrygon garouaensis

Key Differences

• Bigeye thresher is Endangered while Niger stingray is Critically Endangered.

Taxonomic Classification

Rank	Bigeye thresher	Niger stingray
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	Dasyatidae
Genus	Alopias	Fontitrygon
Species	Alopias pelagicus	Fontitrygon garouaensis

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Niger stingray

CR — Critically Endangered

Physical Characteristics

Attribute	Bigeye thresher	Niger stingray
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.

Niger stingray

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.