brittlestar vs roker

Amphiura chiajei compared with Raja clavata

Key Differences

• brittlestar is Least Concern while roker is Near Threatened.

Taxonomic Classification

Rank	brittlestar	roker
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum	Echinodermata (เอไคโนเดอร์มาตา)	Chordata (สัตว์มีแกนสันหลัง)
Class	Ophiuroidea (ดาวเปราะ)	Elasmobranchii
Order	Amphilepidida (Amphilepidida)	Rajiformes (อันดับปลาโรนัน)
Family	Amphiuridae	Rajidae
Genus	Amphiura	Raja
Species	Amphiura chiajei	Raja clavata

Evolutionary Relationship

brittlestar and roker share a common ancestor at the Kingdom level: Animalia. (สัตว์)

Conservation Status

brittlestar

LC — Least Concern

roker

NT — Near Threatened

Physical Characteristics

Attribute	brittlestar	roker
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.

roker

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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 4 countries:

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