brittlestar vs green hydra

Amphiura chiajei compared with Hydra viridissima

Key Differences

• brittlestar is Least Concern while green hydra is Not Evaluated.

Taxonomic Classification

Rank	brittlestar	green hydra
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Cnidaria (Cnidarians)
Class	Ophiuroidea (Ophiuroidea)	Hydrozoa (Hydrozoa)
Order	Amphilepidida (Amphilepidida)	Anthoathecata (Anthoathecata)
Family	Amphiuridae	Hydridae
Genus	Amphiura	Hydra
Species	Amphiura chiajei	Hydra viridissima

Evolutionary Relationship

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

Conservation Status

brittlestar

LC — Least Concern

green hydra

NE — Not Evaluated

Physical Characteristics

Attribute	brittlestar	green hydra
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.

green hydra

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

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.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden