Bigeye thresher vs Dark Pincertail

Alopias pelagicus compared with Onychogomphus assimilis

Key Differences

• Bigeye thresher is Endangered while Dark Pincertail is Vulnerable.

Taxonomic Classification

Rank	Bigeye thresher	Dark Pincertail
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 assimilis

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Dark Pincertail

VU — Vulnerable

Physical Characteristics

Attribute	Bigeye thresher	Dark Pincertail
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.

Dark Pincertail

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.