Bigeye thresher vs Caribbean roughshark

Alopias pelagicus compared with Oxynotus caribbaeus

Key Differences

• Bigeye thresher is Endangered while Caribbean roughshark is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Caribbean roughshark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Elasmobranchii
Order	Lamniformes (Mackerel Sharks)	Squaliformes (Squaliformes)
Family	Alopiidae	Oxynotidae
Genus	Alopias	Oxynotus
Species	Alopias pelagicus	Oxynotus caribbaeus

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Caribbean roughshark

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Caribbean roughshark
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.

Caribbean roughshark

Habitat

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

Range

Found in Venezuela.

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.

Caribbean roughshark

The Caribbean Roughshark (Oxynotus caribbaeus) is a species in the genus Oxynotus. It is currently classified as Least Concern (LC) on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.