Bighead spurdog vs brittlestar

Squalus bucephalus compared with Amphiura filiformis

Key Differences

• Bighead spurdog is Data Deficient while brittlestar is Least Concern.

Taxonomic Classification

Rank	Bighead spurdog	brittlestar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Echinodermata (Echinoderms)
Class	Elasmobranchii	Ophiuroidea (Ophiuroidea)
Order	Squaliformes (Squaliformes)	Amphilepidida (Amphilepidida)
Family	Squalidae	Amphiuridae
Genus	Squalus	Amphiura
Species	Squalus bucephalus	Amphiura filiformis

Evolutionary Relationship

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

Conservation Status

Bighead spurdog

DD — Data Deficient

brittlestar

LC — Least Concern

Physical Characteristics

Attribute	Bighead spurdog	brittlestar
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bighead spurdog

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Bighead spurdog

The Bighead spurdog (Squalus bucephalus) is a species in the genus Squalus.

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.