Bigeye thresher vs Triangle-marked Roller

Alopias pelagicus compared with Ancylis achatana

Key Differences

• Bigeye thresher is Endangered while Triangle-marked Roller is Vulnerable.

Taxonomic Classification

Rank	Bigeye thresher	Triangle-marked Roller
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Chondrichthyes (Cartilaginous Fish)	Insecta (Insects)
Order	Lamniformes (Mackerel Sharks)	Lepidoptera (Butterflies & Moths)
Family	Alopiidae	Tortricidae
Genus	Alopias	Ancylis
Species	Alopias pelagicus	Ancylis achatana

Evolutionary Relationship

Bigeye thresher and Triangle-marked Roller share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bigeye thresher

EN — Endangered

Triangle-marked Roller

VU — Vulnerable

Physical Characteristics

Attribute	Bigeye thresher	Triangle-marked Roller
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.

Triangle-marked Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.