Big eye thresher shark vs Mark's Cyanea

Alopias superciliosus compared with Cyanea marksii

Key Differences

• Big eye thresher shark is Vulnerable while Mark's Cyanea is Critically Endangered.

Taxonomic Classification

Rank	Big eye thresher shark	Mark's Cyanea
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Cnidaria (Cnidarians)
Class	Chondrichthyes (Cartilaginous Fish)	Scyphozoa (Scyphozoa)
Order	Lamniformes (Mackerel Sharks)	Semaeostomeae (Semaeostomeae)
Family	Alopiidae	Cyaneidae
Genus	Alopias	Cyanea
Species	Alopias superciliosus	Cyanea marksii

Evolutionary Relationship

Big eye thresher shark and Mark's Cyanea share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Big eye thresher shark

VU — Vulnerable

Mark's Cyanea

CR — Critically Endangered

Physical Characteristics

Attribute	Big eye thresher shark	Mark's Cyanea
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.

Mark's Cyanea

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.