Bigeye thresher vs Thorny river stingray

Alopias pelagicus compared with Potamotrygon constellata

Key Differences

• Bigeye thresher is Endangered while Thorny river stingray is Data Deficient.

Taxonomic Classification

Rank	Bigeye thresher	Thorny river 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	Potamotrygonidae
Genus	Alopias	Potamotrygon
Species	Alopias pelagicus	Potamotrygon constellata

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Thorny river stingray

DD — Data Deficient

Physical Characteristics

Attribute	Bigeye thresher	Thorny river 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.

Thorny river stingray

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Colombia.

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