Bigeye thresher vs Blue-eyed Hooktail

Alopias pelagicus compared with Onychogomphus uncatus

Key Differences

• Bigeye thresher is Endangered while Blue-eyed Hooktail is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Blue-eyed Hooktail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Chondrichthyes (Cartilaginous Fish)	Insecta (Insects)
Order	Lamniformes (Mackerel Sharks)	Odonata (Odonata)
Family	Alopiidae	Gomphidae
Genus	Alopias	Onychogomphus
Species	Alopias pelagicus	Onychogomphus uncatus

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Blue-eyed Hooktail

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Blue-eyed Hooktail
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-eyed Hooktail

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

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-eyed Hooktail

The Blue Eyed Hooktail (Onychogomphus uncatus) is a species in the genus Onychogomphus. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.