brittlestar vs Cat flea

Amphiura chiajei compared with Ctenocephalides felis

Key Differences

• brittlestar is Least Concern while Cat flea is Not Evaluated.

Taxonomic Classification

Rank	brittlestar	Cat flea
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Arthropoda (Arthropods)
Class	Ophiuroidea (Ophiuroidea)	Insecta (Insects)
Order	Amphilepidida (Amphilepidida)	Siphonaptera (Siphonaptera)
Family	Amphiuridae	Pulicidae
Genus	Amphiura	Ctenocephalides
Species	Amphiura chiajei	Ctenocephalides felis

Evolutionary Relationship

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

Conservation Status

brittlestar

LC — Least Concern

Cat flea

NE — Not Evaluated

Physical Characteristics

Attribute	brittlestar	Cat flea
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

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).

brittlestar

The Brittlestar (Amphiura chiajei) is a species in the genus Amphiura. It is currently classified as Least Concern on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

Cat flea

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

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden