brittlestar vs Pixie Foam

Amphiura filiformis compared with Stereocaulon pileatum

Key Differences

• brittlestar is Least Concern while Pixie Foam is Critically Endangered.

Taxonomic Classification

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

Conservation Status

brittlestar

LC — Least Concern

Pixie Foam

CR — Critically Endangered

Physical Characteristics

Attribute	brittlestar	Pixie 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.

Pixie Foam

Habitat

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

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. Currently classified as Critically 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