Arrowhead dogfish vs brittlestar

Deania profundorum compared with Amphiura filiformis

Key Differences

• Arrowhead dogfish is Near Threatened while brittlestar is Least Concern.

Taxonomic Classification

Rank	Arrowhead dogfish	brittlestar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Echinodermata (Echinoderms)
Class	Elasmobranchii	Ophiuroidea (Ophiuroidea)
Order	Squaliformes (Squaliformes)	Amphilepidida (Amphilepidida)
Family	Centrophoridae	Amphiuridae
Genus	Deania	Amphiura
Species	Deania profundorum	Amphiura filiformis

Evolutionary Relationship

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

Conservation Status

Arrowhead dogfish

NT — Near Threatened

brittlestar

LC — Least Concern

Physical Characteristics

Attribute	Arrowhead dogfish	brittlestar
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arrowhead dogfish

Habitat

Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Portugal and Taiwan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Arrowhead dogfish

The Arrowhead dogfish, Deania profundorum, is a species. It is currently assessed as near threatened on the IUCN Red List. Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

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.