Bigeye thresher vs cheken

Alopias pelagicus compared with Luma chequen

Key Differences

• Bigeye thresher is Endangered while cheken is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	cheken
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Chondrichthyes (Cartilaginous Fish)	Magnoliopsida (Dicots)
Order	Lamniformes (Mackerel Sharks)	Myrtales (Myrtales)
Family	Alopiidae	Myrtaceae
Genus	Alopias	Luma
Species	Alopias pelagicus	Luma chequen

Conservation Status

Bigeye thresher

EN — Endangered

cheken

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	cheken
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.

cheken

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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.

cheken

The cheken (Luma chequen) is a species in the genus Luma. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.