brittlestar vs Speartooth shark

Amphiura filiformis compared with Glyphis glyphis

Key Differences

• brittlestar is Least Concern while Speartooth shark is Vulnerable.

Taxonomic Classification

Rank	brittlestar	Speartooth shark
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	Carcharhinidae
Genus	Amphiura	Glyphis
Species	Amphiura filiformis	Glyphis glyphis

Evolutionary Relationship

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

Conservation Status

brittlestar

LC — Least Concern

Speartooth shark

VU — Vulnerable

Physical Characteristics

Attribute	brittlestar	Speartooth shark
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.

Speartooth shark

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.