Big eye thresher shark vs Buff-thighed Puffleg

Alopias superciliosus compared with Haplophaedia assimilis

Key Differences

• Big eye thresher shark is Vulnerable while Buff-thighed Puffleg is Least Concern.

Taxonomic Classification

Rank	Big eye thresher shark	Buff-thighed Puffleg
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Aves (Birds)
Order	Lamniformes (Mackerel Sharks)	Apodiformes (Apodiformes)
Family	Alopiidae	Trochilidae
Genus	Alopias	Haplophaedia
Species	Alopias superciliosus	Haplophaedia assimilis

Evolutionary Relationship

Big eye thresher shark and Buff-thighed Puffleg share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big eye thresher shark

VU — Vulnerable

Buff-thighed Puffleg

LC — Least Concern

Physical Characteristics

Attribute	Big eye thresher shark	Buff-thighed Puffleg
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.

Buff-thighed Puffleg

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway.

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.

Buff-thighed Puffleg

The Buff-Thighed Puffleg (Haplophaedia assimilis) is a species in the genus Haplophaedia. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.