brittlestar vs Dusky catshark

Amphiura filiformis compared with Bythaelurus incanus

Key Differences

• brittlestar is Least Concern while Dusky catshark is Data Deficient.

Taxonomic Classification

Rank	brittlestar	Dusky catshark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Chordata (Chordates)
Class	Ophiuroidea (Ophiuroidea)	Chondrichthyes (Cartilaginous Fish)
Order	Amphilepidida (Amphilepidida)	Carcharhiniformes (Ground Sharks)
Family	Amphiuridae	Scyliorhinidae
Genus	Amphiura	Bythaelurus
Species	Amphiura filiformis	Bythaelurus incanus

Evolutionary Relationship

brittlestar and Dusky catshark share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

brittlestar

LC — Least Concern

Dusky catshark

DD — Data Deficient

Physical Characteristics

Attribute	brittlestar	Dusky catshark
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.

Dusky catshark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

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.