Bigeye thresher vs Smalltooth stingray

Alopias pelagicus compared with Hypanus rudis

Key Differences

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

Taxonomic Classification

Rank	Bigeye thresher	Smalltooth 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	Hypanus
Species	Alopias pelagicus	Hypanus rudis

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Smalltooth stingray

CR — Critically Endangered

Physical Characteristics

Attribute	Bigeye thresher	Smalltooth 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.

Smalltooth 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.