brittlestar vs Woolly Foam

Amphiura filiformis compared with Stereocaulon tomentosum

Key Differences

• brittlestar is Least Concern while Woolly Foam is Endangered.

Taxonomic Classification

Rank	brittlestar	Woolly Foam
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Echinodermata (Echinoderms)	Ascomycota (Sac Fungi)
Class	Ophiuroidea (Ophiuroidea)	Lecanoromycetes (Lecanoromycetes)
Order	Amphilepidida (Amphilepidida)	Lecanorales (Lecanorales)
Family	Amphiuridae	Stereocaulaceae
Genus	Amphiura	Stereocaulon
Species	Amphiura filiformis	Stereocaulon tomentosum

Conservation Status

brittlestar

LC — Least Concern

Woolly Foam

EN — Endangered

Physical Characteristics

Attribute	brittlestar	Woolly Foam
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.

Woolly Foam

Habitat

Native to Europe and North America and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Colombia, Denmark, Norway, Sweden, and United States. 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