Bigeye thresher vs Broad-tailed Shadowdragon

Alopias pelagicus compared with Neurocordulia michaeli

Key Differences

• Bigeye thresher is Endangered while Broad-tailed Shadowdragon is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Broad-tailed 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 michaeli

Evolutionary Relationship

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

Conservation Status

Bigeye thresher

EN — Endangered

Broad-tailed Shadowdragon

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Broad-tailed 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.

Broad-tailed Shadowdragon

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.

Broad-tailed Shadowdragon

The Broad-Tailed Shadowdragon (Neurocordulia michaeli) is a species in the genus Neurocordulia. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.