Arrowhead Spiketail vs Bigeye thresher

Cordulegaster obliqua compared with Alopias pelagicus

Key Differences

• Arrowhead Spiketail is Least Concern while Bigeye thresher is Endangered.

Taxonomic Classification

Rank	Arrowhead Spiketail	Bigeye thresher
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Chondrichthyes (Cartilaginous Fish)
Order	Odonata (Odonata)	Lamniformes (Mackerel Sharks)
Family	Cordulegastridae	Alopiidae
Genus	Cordulegaster	Alopias
Species	Cordulegaster obliqua	Alopias pelagicus

Evolutionary Relationship

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

Conservation Status

Arrowhead Spiketail

LC — Least Concern

Bigeye thresher

EN — Endangered

Physical Characteristics

Attribute	Arrowhead Spiketail	Bigeye thresher
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arrowhead Spiketail

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in United States.

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.

Arrowhead Spiketail

The Arrowhead Spiketail, Cordulegaster obliqua, is a species. It is currently assessed as least concern on the IUCN Red List. 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.