brittlestar vs Four-Lined Silverfish

Amphiura filiformis compared with Ctenolepisma lineata

Key Differences

• brittlestar is Least Concern while Four-Lined Silverfish is Not Evaluated.

Taxonomic Classification

Rank	brittlestar	Four-Lined Silverfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Arthropoda (Arthropods)
Class	Ophiuroidea (Ophiuroidea)	Insecta (Insects)
Order	Amphilepidida (Amphilepidida)	Zygentoma (Zygentoma)
Family	Amphiuridae	Lepismatidae
Genus	Amphiura	Ctenolepisma
Species	Amphiura filiformis	Ctenolepisma lineata

Evolutionary Relationship

brittlestar and Four-Lined Silverfish share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

brittlestar

LC — Least Concern

Four-Lined Silverfish

NE — Not Evaluated

Physical Characteristics

Attribute	brittlestar	Four-Lined Silverfish
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.

Four-Lined Silverfish

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Norway, Portugal, Sweden, and 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 2 countries:

🇳🇴 Norway 🇸🇪 Sweden