brittlestar vs Common Bluetail

Amphiura filiformis compared with Ischnura elegans

Taxonomic Classification

Rank	brittlestar	Common Bluetail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Arthropoda (Arthropods)
Class	Ophiuroidea (Ophiuroidea)	Insecta (Insects)
Order	Amphilepidida (Amphilepidida)	Odonata (Odonata)
Family	Amphiuridae	Coenagrionidae
Genus	Amphiura	Ischnura
Species	Amphiura filiformis	Ischnura elegans

Evolutionary Relationship

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

Conservation Status

brittlestar

LC — Least Concern

Common Bluetail

LC — Least Concern

Physical Characteristics

Attribute	brittlestar	Common Bluetail
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, and Sweden.

Common Bluetail

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden.

brittlestar

The Brittlestar (Amphiura filiformis) 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.

Common Bluetail

Common Bluetail (Ischnura elegans) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden