Argentine angelshark vs Bigeye thresher

Squatina occulta compared with Alopias pelagicus

Key Differences

• Argentine angelshark is Critically Endangered while Bigeye thresher is Endangered.

Taxonomic Classification

Rank	Argentine angelshark	Bigeye thresher
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Chondrichthyes (Cartilaginous Fish)
Order	Squatiniformes (Squatiniformes)	Lamniformes (Mackerel Sharks)
Family	Squatinidae	Alopiidae
Genus	Squatina	Alopias
Species	Squatina occulta	Alopias pelagicus

Evolutionary Relationship

Argentine angelshark and Bigeye thresher share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Argentine angelshark

CR — Critically Endangered

Bigeye thresher

EN — Endangered

Physical Characteristics

Attribute	Argentine angelshark	Bigeye thresher
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Argentine angelshark

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.

Argentine angelshark

The Argentine angelshark (Squatina occulta) is a species in the genus Squatina. It is currently classified as Critically Endangered on the IUCN Red List.

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.