brittlestar vs Brown Rat

Amphiura chiajei compared with Rattus norvegicus

Taxonomic Classification

Rank	brittlestar	Brown Rat
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum	Echinodermata (เอไคโนเดอร์มาตา)	Chordata (สัตว์มีแกนสันหลัง)
Class	Ophiuroidea (ดาวเปราะ)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Amphilepidida (Amphilepidida)	Rodentia (อันดับสัตว์ฟันแทะ)
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. (สัตว์)

ดู: Kingdom: Animalia

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

Brown Rat (Rattus norvegicus) 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.