Bigeye thresher vs Butterfly ray

Alopias pelagicus compared with Gymnura micrura

Key Differences

• Bigeye thresher is Endangered while Butterfly ray is Near Threatened.

Taxonomic Classification

Rank	Bigeye thresher	Butterfly ray
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	Gymnuridae
Genus	Alopias	Gymnura
Species	Alopias pelagicus	Gymnura micrura

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Butterfly ray

NT — Near Threatened

Physical Characteristics

Attribute	Bigeye thresher	Butterfly ray
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.

Butterfly ray

Habitat

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

Range

Found in Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Butterfly ray

The Butterfly ray (Gymnura micrura) is a species in the genus Gymnura. It is currently classified as Near Threatened on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.