Bird flea vs Brownfish

Ceratophyllus zhovtyi compared with Actinopyga echinites

Key Differences

• Bird flea is Least Concern while Brownfish is Vulnerable.

Taxonomic Classification

Rank	Bird 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 zhovtyi	Actinopyga echinites

Evolutionary Relationship

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

Conservation Status

Bird flea

LC — Least Concern

Brownfish

VU — Vulnerable

Physical Characteristics

Attribute	Bird flea	Brownfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bird flea

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in United States.

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.

Bird flea

The Bird flea (Ceratophyllus zhovtyi) is a species in the genus Ceratophyllus. It is currently classified as Least Concern on the IUCN Red List. 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.