a Sand Martin flea vs Brownfish

Ceratophyllus styx compared with Actinopyga echinites

Key Differences

• a Sand Martin flea is Not Evaluated while Brownfish is Vulnerable.

Taxonomic Classification

Rank	a Sand Martin flea	Brownfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Echinodermata (Echinoderms)
Class	Insecta (Insects)	Holothuroidea (Holothuroidea)
Order	Siphonaptera (Siphonaptera)	Holothuriida (Holothuriida)
Family	Ceratophyllidae	Holothuriidae
Genus	Ceratophyllus	Actinopyga
Species	Ceratophyllus styx	Actinopyga echinites

Evolutionary Relationship

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

Conservation Status

a Sand Martin flea

NE — Not Evaluated

Brownfish

VU — Vulnerable

Physical Characteristics

Attribute	a Sand Martin flea	Brownfish
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.

Brownfish

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Vulnerable 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.

Brownfish

The Brownfish (Actinopyga echinites) is a species in the genus Actinopyga. It is currently classified as Vulnerable on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.