brittlestar vs 來珊鴨

Amphiura chiajei compared with Anas laysanensis

Key Differences

• brittlestar is Least Concern while 來珊鴨 is Critically Endangered.

Taxonomic Classification

Rank	brittlestar	來珊鴨
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Echinodermata (棘皮动物门)	Chordata (脊索动物门)
Class	Ophiuroidea (蛇尾纲)	Aves (鳥綱)
Order	Amphilepidida (阳遂足目)	Anseriformes (雁形目)
Family	Amphiuridae	Anatidae
Genus	Amphiura	Anas
Species	Amphiura chiajei	Anas laysanensis

Evolutionary Relationship

brittlestar and 來珊鴨 share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

brittlestar

LC — Least Concern

來珊鴨

CR — Critically Endangered

Physical Characteristics

Attribute	brittlestar	來珊鴨
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.

來珊鴨

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

來珊鴨

莱桑鸭（Anas laysanensis）被IUCN红色名录列为极危（CR）物种。由于种群数量严重下降和栖息地丧失，该物种在野外灭绝的风险极高。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway