Bigeye thresher vs Roughback Whipray

Alopias pelagicus compared with Fluvitrygon kittipongi

Taxonomic Classification

Rank	Bigeye thresher	Roughback Whipray
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	Fluvitrygon
Species	Alopias pelagicus	Fluvitrygon kittipongi

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Roughback Whipray

EN — Endangered

Physical Characteristics

Attribute	Bigeye thresher	Roughback Whipray
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.

Roughback Whipray

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.