brittlestar vs grey mouse-ear

Amphiura filiformis compared with Cerastium brachypetalum

Key Differences

brittlestar is Least Concern while grey mouse-ear is Critically Endangered.

Taxonomic Classification

Rank	brittlestar	grey mouse-ear
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Echinodermata (Echinoderms)	Magnoliophyta (Flowering Plants)
Class	Ophiuroidea (Ophiuroidea)	Magnoliopsida (Dicots)
Order	Amphilepidida (Amphilepidida)	Caryophyllales (Caryophyllales)
Family	Amphiuridae	Caryophyllaceae
Genus	Amphiura	Cerastium
Species	Amphiura filiformis	Cerastium brachypetalum

Conservation Status

brittlestar

LC — Least Concern

grey mouse-ear

CR — Critically Endangered

Physical Characteristics

Attribute	brittlestar	grey mouse-ear
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.

grey mouse-ear

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (8 countries) and North America (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.