Bigeye thresher vs broad-tail shortfin squid

Alopias pelagicus compared with Illex coindetii

Key Differences

• Bigeye thresher is Endangered while broad-tail shortfin squid is Not Evaluated.

Taxonomic Classification

Rank	Bigeye thresher	broad-tail shortfin squid
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Chondrichthyes (Cartilaginous Fish)	Cephalopoda (Cephalopods)
Order	Lamniformes (Mackerel Sharks)	Oegopsida (Oegopsida)
Family	Alopiidae	Ommastrephidae
Genus	Alopias	Illex
Species	Alopias pelagicus	Illex coindetii

Evolutionary Relationship

Bigeye thresher and broad-tail shortfin squid share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bigeye thresher

EN — Endangered

broad-tail shortfin squid

NE — Not Evaluated

Physical Characteristics

Attribute	Bigeye thresher	broad-tail shortfin squid
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

broad-tail shortfin squid

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

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.

broad-tail shortfin squid

The Broad-Tail Shortfin Squid (Illex coindetii) is a species in the genus Illex. Native to Europe, inhabiting ecosystems characteristic of the region. It has been recorded Distributed across Denmark, Norway, and Sweden..