Bigeye thresher vs White-shouldered Marble

Alopias pelagicus compared with Apotomis turbidana

Key Differences

• Bigeye thresher is Endangered while White-shouldered Marble is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	White-shouldered Marble
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	Apotomis
Species	Alopias pelagicus	Apotomis turbidana

Evolutionary Relationship

Bigeye thresher and White-shouldered Marble share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bigeye thresher

EN — Endangered

White-shouldered Marble

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	White-shouldered Marble
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.

White-shouldered Marble

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.