Bigeye thresher vs Black-Based Cluster Fly

Alopias pelagicus compared with Pollenia labialis

Key Differences

• Bigeye thresher is Endangered while Black-Based Cluster Fly is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Black-Based Cluster Fly
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Chondrichthyes (Cartilaginous Fish)	Insecta (Insects)
Order	Lamniformes (Mackerel Sharks)	Diptera (Diptera)
Family	Alopiidae	Polleniidae
Genus	Alopias	Pollenia
Species	Alopias pelagicus	Pollenia labialis

Evolutionary Relationship

Bigeye thresher and Black-Based Cluster Fly share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bigeye thresher

EN — Endangered

Black-Based Cluster Fly

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Black-Based Cluster Fly
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.

Black-Based Cluster Fly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, Sweden, 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.

Black-Based Cluster Fly

The Black-Based Cluster Fly (Pollenia labialis) is a species in the genus Pollenia. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.