Big eye thresher shark vs robust bobtail

Alopias superciliosus compared with Sepiola robusta

Key Differences

• Big eye thresher shark is Vulnerable while robust bobtail is Data Deficient.

Taxonomic Classification

Rank	Big eye thresher shark	robust bobtail
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	Sepiolidae
Genus	Alopias	Sepiola
Species	Alopias superciliosus	Sepiola robusta

Evolutionary Relationship

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

Conservation Status

Big eye thresher shark

VU — Vulnerable

robust bobtail

DD — Data Deficient

Physical Characteristics

Attribute	Big eye thresher shark	robust bobtail
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.

robust bobtail

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.