Bigeye thresher vs Cape Breton Firefly

Alopias pelagicus compared with Photuris fairchildi

Key Differences

• Bigeye thresher is Endangered while Cape Breton Firefly is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Cape Breton Firefly
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Chondrichthyes (Cartilaginous Fish)	Insecta (Insects)
Order	Lamniformes (Mackerel Sharks)	Coleoptera (Beetles)
Family	Alopiidae	Lampyridae
Genus	Alopias	Photuris
Species	Alopias pelagicus	Photuris fairchildi

Evolutionary Relationship

Bigeye thresher and Cape Breton Firefly share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bigeye thresher

EN — Endangered

Cape Breton Firefly

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Cape Breton Firefly
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.

Cape Breton Firefly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Canada and 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.

Cape Breton Firefly

The Cape Breton Firefly (Photuris fairchildi) is a species in the genus Photuris. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.