Bigeye thresher vs Silver Meadow

Alopias pelagicus compared with Boloria selene

Key Differences

• Bigeye thresher is Endangered while Silver Meadow is Extinct.

Taxonomic Classification

Rank	Bigeye thresher	Silver Meadow
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	Boloria
Species	Alopias pelagicus	Boloria selene

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Silver Meadow

EX — Extinct

Physical Characteristics

Attribute	Bigeye thresher	Silver Meadow
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.

Silver Meadow

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (34 countries) and North America (United States).

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.

Silver Meadow

Silver Meadow (Boloria selene) 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.