a Sand Martin flea vs Bigeye thresher

Ceratophyllus styx compared with Alopias pelagicus

Key Differences

• a Sand Martin flea is Not Evaluated while Bigeye thresher is Endangered.

Taxonomic Classification

Rank	a Sand Martin flea	Bigeye thresher
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Chondrichthyes (Cartilaginous Fish)
Order	Siphonaptera (Siphonaptera)	Lamniformes (Mackerel Sharks)
Family	Ceratophyllidae	Alopiidae
Genus	Ceratophyllus	Alopias
Species	Ceratophyllus styx	Alopias pelagicus

Evolutionary Relationship

a Sand Martin flea and Bigeye thresher share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

a Sand Martin flea

NE — Not Evaluated

Bigeye thresher

EN — Endangered

Physical Characteristics

Attribute	a Sand Martin flea	Bigeye thresher
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

a Sand Martin flea

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

a Sand Martin flea

A sand martin flea (Ceratophyllus styx) is a species in the genus Ceratophyllus. Typically found in virtually all terrestrial and freshwater habitats.

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.