brittlestar vs Brown Rat

Amphiura chiajei compared with Rattus norvegicus

Taxonomic Classification

Rank	brittlestar	Brown Rat
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	Muridae (Mice & Rats)
Genus	Amphiura	Rattus
Species	Amphiura chiajei	Rattus norvegicus

Evolutionary Relationship

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

Conservation Status

brittlestar

LC — Least Concern

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute	brittlestar	Brown Rat
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.

Brown Rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (11 countries), Asia (15 countries), Europe (41 countries), North America (16 countries), Oceania and the Pacific (10 countries), and South America (10 countries).

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.

Brown Rat

ドブネズミ（Rattus norvegicus）はIUCNレッドリストで軽度懸念（LC）に分類されています。分布域全体に広く生息し個体数は安定しており、緊急の保護上の懸念はありません。

Shared Countries

Both species can be found in 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden