brittlestar vs massive horny sponge

Amphiura filiformis compared with Polymastia boletiformis

Key Differences

• brittlestar is Least Concern while massive horny sponge is Not Evaluated.

Taxonomic Classification

Rank	brittlestar	massive horny sponge
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Porifera (Sponges)
Class	Ophiuroidea (Ophiuroidea)	Demospongiae (Demospongiae)
Order	Amphilepidida (Amphilepidida)	Polymastiida (Polymastiida)
Family	Amphiuridae	Polymastiidae
Genus	Amphiura	Polymastia
Species	Amphiura filiformis	Polymastia boletiformis

Evolutionary Relationship

brittlestar and massive horny sponge share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

brittlestar

LC — Least Concern

massive horny sponge

NE — Not Evaluated

Physical Characteristics

Attribute	brittlestar	massive horny sponge
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.

massive horny sponge

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

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