Big eye thresher shark vs Eastern Willow Spreadwing

Alopias superciliosus compared with Chalcolestes parvidens

Key Differences

• Big eye thresher shark is Vulnerable while Eastern Willow Spreadwing is Least Concern.

Taxonomic Classification

Rank	Big eye thresher shark	Eastern Willow Spreadwing
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	Lestidae
Genus	Alopias	Chalcolestes
Species	Alopias superciliosus	Chalcolestes parvidens

Evolutionary Relationship

Big eye thresher shark and Eastern Willow Spreadwing share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Big eye thresher shark

VU — Vulnerable

Eastern Willow Spreadwing

LC — Least Concern

Physical Characteristics

Attribute	Big eye thresher shark	Eastern Willow Spreadwing
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big eye thresher shark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Distributed across Chile, Colombia, Portugal, Taiwan, and Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Eastern Willow Spreadwing

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Big eye thresher shark

The Big eye thresher shark (Alopias superciliosus) is a species in the genus Alopias. It is currently classified as Vulnerable on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.