brittlestar vs Cotton Thistle

Amphiura filiformis compared with Onopordum acanthium

Key Differences

• brittlestar is Least Concern while Cotton Thistle is Endangered.

Taxonomic Classification

Rank	brittlestar	Cotton Thistle
Kingdom	Animalia (hayvan)	Plantae (bitki)
Phylum	Echinodermata (Derisi dikenliler)	Magnoliophyta (Flowering Plants)
Class	Ophiuroidea (Yılanyıldızı)	Magnoliopsida (Dicots)
Order	Amphilepidida (Amphilepidida)	Asterales (Daisies & Sunflowers)
Family	Amphiuridae	Asteraceae (Daisy Family)
Genus	Amphiura	Onopordum
Species	Amphiura filiformis	Onopordum acanthium

Conservation Status

brittlestar

LC — Least Concern

Cotton Thistle

EN — Endangered

Physical Characteristics

Attribute	brittlestar	Cotton Thistle
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, and Sweden.

Cotton Thistle

Habitat

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

Range

Widely distributed across Asia (Georgia, India, Japan), Europe (22 countries), North America (Canada, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Argentina, Brazil, Chile). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

brittlestar

The Brittlestar (Amphiura filiformis) 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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden