brittlestar vs Eurasian beaver

Amphiura filiformis compared with Castor fiber

Key Differences

• brittlestar is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	brittlestar	Eurasian beaver
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Echinodermata (棘皮動物)	Chordata (脊索動物)
Class	Ophiuroidea (クモヒトデ)	Mammalia (哺乳類)
Order	Amphilepidida (Amphilepidida)	Rodentia (ネズミ目)
Family	Amphiuridae	Castoridae (Beavers)
Genus	Amphiura	Castor (Beavers)
Species	Amphiura filiformis	Castor fiber

Evolutionary Relationship

brittlestar and Eurasian beaver share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

brittlestar

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	brittlestar	Eurasian beaver
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.

Eurasian beaver

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Eurasian beaver

ユーラシアビーバー（Castor fiber）はIUCNレッドリストで絶滅危惧II類（VU）に分類されています。個体群の減少と生息地への圧力の増大により、野生での絶滅危険度が高い状況に直面しています。

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden