Bigeye thresher vs Blue Flag

Alopias pelagicus compared with Iris versicolor

Key Differences

• Bigeye thresher is Endangered while Blue Flag is Not Evaluated.

Taxonomic Classification

Rank	Bigeye thresher	Blue Flag
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Chondrichthyes (Cartilaginous Fish)	Insecta (Insects)
Order	Lamniformes (Mackerel Sharks)	Mantodea (Mantodea)
Family	Alopiidae	Eremiaphilidae
Genus	Alopias	Iris
Species	Alopias pelagicus	Iris versicolor

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Blue Flag

NE — Not Evaluated

Physical Characteristics

Attribute	Bigeye thresher	Blue Flag
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.

Blue Flag

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (10 countries) and North America (Canada, 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.

Blue Flag

The Blue Flag (Iris versicolor) is a species in the genus Iris. Typically found in virtually all terrestrial and freshwater habitats.