Big eye thresher shark vs Broadback cuttlefish

Alopias superciliosus compared with Sepia savignyi

Key Differences

• Big eye thresher shark is Vulnerable while Broadback cuttlefish is Data Deficient.

Taxonomic Classification

Rank	Big eye thresher shark	Broadback cuttlefish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Chondrichthyes (Cartilaginous Fish)	Cephalopoda (Cephalopods)
Order	Lamniformes (Mackerel Sharks)	Sepiida (Sepiida)
Family	Alopiidae	Sepiidae
Genus	Alopias	Sepia
Species	Alopias superciliosus	Sepia savignyi

Evolutionary Relationship

Big eye thresher shark and Broadback cuttlefish share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Big eye thresher shark

VU — Vulnerable

Broadback cuttlefish

DD — Data Deficient

Physical Characteristics

Attribute	Big eye thresher shark	Broadback cuttlefish
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.

Broadback cuttlefish

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.

Broadback cuttlefish

The Broadback cuttlefish (Sepia savignyi) is a species in the genus Sepia. It is currently classified as Data Deficient on the IUCN Red List.