Bigeye thresher vs marsh fritillary

Alopias pelagicus compared with Euphydryas aurinia

Key Differences

• Bigeye thresher is Endangered while marsh fritillary is Extinct.

Taxonomic Classification

Rank	Bigeye thresher	marsh fritillary
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	Euphydryas
Species	Alopias pelagicus	Euphydryas aurinia

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

marsh fritillary

EX — Extinct

Physical Characteristics

Attribute	Bigeye thresher	marsh fritillary
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.

marsh fritillary

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (38 countries).

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.

marsh fritillary

marsh fritillary (Euphydryas aurinia) is classified as Extinct (EX) on the IUCN Red List. This species has been declared extinct, with no known living individuals remaining in the wild or in captivity.