Bigeye thresher vs Western Thyme Plume

Alopias pelagicus compared with Merrifieldia tridactyla

Key Differences

• Bigeye thresher is Endangered while Western Thyme Plume is Near Threatened.

Taxonomic Classification

Rank	Bigeye thresher	Western Thyme Plume
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	Pterophoridae
Genus	Alopias	Merrifieldia
Species	Alopias pelagicus	Merrifieldia tridactyla

Evolutionary Relationship

Bigeye thresher and Western Thyme Plume share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bigeye thresher

EN — Endangered

Western Thyme Plume

NT — Near Threatened

Physical Characteristics

Attribute	Bigeye thresher	Western Thyme Plume
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.

Western Thyme Plume

Habitat

Found across multiple habitat types including temperate coniferous forests, temperate broadleaf and mixed forests, and temperate grasslands and steppes, among 6 distinct biome types spanning the Indomalayan and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Asia (5 countries) and Europe (28 countries). 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.