Angular angel shark vs Bigeye thresher

Squatina argentina compared with Alopias pelagicus

Key Differences

• Angular angel shark is Critically Endangered while Bigeye thresher is Endangered.

Taxonomic Classification

Rank	Angular angel shark	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 argentina	Alopias pelagicus

Evolutionary Relationship

Angular angel shark and Bigeye thresher share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Angular angel shark

CR — Critically Endangered

Bigeye thresher

EN — Endangered

Physical Characteristics

Attribute	Angular angel shark	Bigeye thresher
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Angular angel shark

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.

Angular angel shark

The Angular angel shark (Squatina argentina) 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.