brittlestar vs Hammerhead

Amphiura filiformis compared with Sphyrna corona

Key Differences

• brittlestar is Least Concern while Hammerhead is Critically Endangered.

Taxonomic Classification

Rank	brittlestar	Hammerhead
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	Sphyrnidae (Hammerhead Sharks)
Genus	Amphiura	Sphyrna (Hammerhead Sharks)
Species	Amphiura filiformis	Sphyrna corona

Evolutionary Relationship

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

Conservation Status

brittlestar

LC — Least Concern

Hammerhead

CR — Critically Endangered

Physical Characteristics

Attribute	brittlestar	Hammerhead
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.

Hammerhead

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.