Bigeye thresher vs Red-Disked Alpine

Alopias pelagicus compared with Erebia discoidalis

Key Differences

• Bigeye thresher is Endangered while Red-Disked Alpine is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Red-Disked Alpine
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	Nymphalidae (Brush-footed Butterflies)
Genus	Alopias	Erebia
Species	Alopias pelagicus	Erebia discoidalis

Evolutionary Relationship

Bigeye thresher and Red-Disked Alpine share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bigeye thresher

EN — Endangered

Red-Disked Alpine

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Red-Disked Alpine
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.

Red-Disked Alpine

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Canada and Russia.

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.