Black-Widow vs brittlestar

Geranium phaeum compared with Amphiura filiformis

Key Differences

• Black-Widow is Not Evaluated while brittlestar is Least Concern.

Taxonomic Classification

Rank	Black-Widow	brittlestar
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Echinodermata (Echinoderms)
Class	Magnoliopsida (Dicots)	Ophiuroidea (Ophiuroidea)
Order	Geraniales (Geraniales)	Amphilepidida (Amphilepidida)
Family	Geraniaceae	Amphiuridae
Genus	Geranium	Amphiura
Species	Geranium phaeum	Amphiura filiformis

Conservation Status

Black-Widow

NE — Not Evaluated

brittlestar

LC — Least Concern

Physical Characteristics

Attribute	Black-Widow	brittlestar
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-Widow

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found across Europe (11 countries) and North America (United States).

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Black-Widow

The Black-Widow (Geranium phaeum) is a species in the genus Geranium. Found across Europe (11 countries) and North America (United States).

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