Arctic Fritillary vs Bigeye thresher

Boloria chariclea compared with Alopias pelagicus

Key Differences

• Arctic Fritillary is Least Concern while Bigeye thresher is Endangered.

Taxonomic Classification

Rank	Arctic Fritillary	Bigeye thresher
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Chondrichthyes (Cartilaginous Fish)
Order	Lepidoptera (Butterflies & Moths)	Lamniformes (Mackerel Sharks)
Family	Nymphalidae (Brush-footed Butterflies)	Alopiidae
Genus	Boloria	Alopias
Species	Boloria chariclea	Alopias pelagicus

Evolutionary Relationship

Arctic Fritillary and Bigeye thresher share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arctic Fritillary

LC — Least Concern

Bigeye thresher

EN — Endangered

Physical Characteristics

Attribute	Arctic Fritillary	Bigeye thresher
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic Fritillary

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Canada, Finland, Norway, Russia, and Sweden.

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.

Arctic Fritillary

The Arctic Fritillary (Boloria chariclea) is a species in the genus Boloria. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

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.