Bigeye thresher vs Stygian Shadowdragon

Alopias pelagicus compared with Neurocordulia yamaskanensis

Key Differences

• Bigeye thresher is Endangered while Stygian Shadowdragon is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Stygian Shadowdragon
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	Corduliidae
Genus	Alopias	Neurocordulia
Species	Alopias pelagicus	Neurocordulia yamaskanensis

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Stygian Shadowdragon

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Stygian Shadowdragon
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.

Stygian Shadowdragon

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in 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.