Bonnet hammerhead vs brittlestar

Sphyrna tiburo compared with Amphiura chiajei

Key Differences

• Bonnet hammerhead is Endangered while brittlestar is Least Concern.

Taxonomic Classification

Rank	Bonnet hammerhead	brittlestar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Echinodermata (Echinoderms)
Class	Chondrichthyes (Cartilaginous Fish)	Ophiuroidea (Ophiuroidea)
Order	Carcharhiniformes (Ground Sharks)	Amphilepidida (Amphilepidida)
Family	Sphyrnidae (Hammerhead Sharks)	Amphiuridae
Genus	Sphyrna (Hammerhead Sharks)	Amphiura
Species	Sphyrna tiburo	Amphiura chiajei

Evolutionary Relationship

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

Conservation Status

Bonnet hammerhead

EN — Endangered

brittlestar

LC — Least Concern

Physical Characteristics

Attribute	Bonnet hammerhead	brittlestar
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bonnet hammerhead

Habitat

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

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

Bonnet hammerhead

The Bonnet hammerhead (Sphyrna tiburo) is a species in the genus Sphyrna. It is currently classified as Endangered on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

brittlestar

The Brittlestar (Amphiura chiajei) 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.