Big eye thresher shark vs Cat flea

Alopias superciliosus compared with Ctenocephalides felis

Key Differences

• Big eye thresher shark is Vulnerable while Cat flea is Not Evaluated.

Taxonomic Classification

Rank	Big eye thresher shark	Cat flea
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Chondrichthyes (Cartilaginous Fish)	Insecta (Insects)
Order	Lamniformes (Mackerel Sharks)	Siphonaptera (Siphonaptera)
Family	Alopiidae	Pulicidae
Genus	Alopias	Ctenocephalides
Species	Alopias superciliosus	Ctenocephalides felis

Evolutionary Relationship

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

Conservation Status

Big eye thresher shark

VU — Vulnerable

Cat flea

NE — Not Evaluated

Physical Characteristics

Attribute	Big eye thresher shark	Cat flea
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.

Cat flea

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Africa (South Africa), Europe (6 countries), and North America (United States).

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.

Cat flea

The Cat flea (Ctenocephalides felis) is a species in the genus Ctenocephalides. Typically found in virtually all terrestrial and freshwater habitats.