brittlestar vs Welsh onion

Amphiura chiajei compared with Allium fistulosum

Key Differences

brittlestar is Least Concern while Welsh onion is Critically Endangered.

Taxonomic Classification

Rank	brittlestar	Welsh onion
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Echinodermata (Echinoderms)	Magnoliophyta (Flowering Plants)
Class	Ophiuroidea (Ophiuroidea)	Liliopsida (Monocots)
Order	Amphilepidida (Amphilepidida)	Asparagales (Asparagales)
Family	Amphiuridae	Amaryllidaceae
Genus	Amphiura	Allium
Species	Amphiura chiajei	Allium fistulosum

Conservation Status

brittlestar

LC — Least Concern

Welsh onion

CR — Critically Endangered

Physical Characteristics

Attribute	brittlestar	Welsh onion
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.

Welsh onion

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, deserts and xeric shrublands, and tropical and subtropical dry broadleaf forests, among 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Algeria, Seychelles), Asia (Taiwan, Yemen), Europe (18 countries), North America (Canada, United States), Oceania and the Pacific (Tuvalu), and South America (Brazil, Colombia, Peru). 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.