Chien de mer vs brittlestar

Rhizoprionodon terraenovae compared with Amphiura filiformis

Taxonomic Classification

Rank	Chien de mer	brittlestar
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum	Chordata (Chordates)	Echinodermata (Echinoderms)
Class	Chondrichthyes (Cartilaginous Fish)	Ophiuroidea (Ophiuroidea)
Order	Carcharhiniformes (Ground Sharks)	Amphilepidida (Amphilepidida)
Family	Carcharhinidae	Amphiuridae
Genus	Rhizoprionodon	Amphiura
Species	Rhizoprionodon terraenovae	Amphiura filiformis

Evolutionary Relationship

Chien de mer and brittlestar share a common ancestor at the Kingdom level: Animalia. (animal)

Conservation Status

Chien de mer

LC — Least Concern

brittlestar

LC — Least Concern

Physical Characteristics

Attribute	Chien de mer	brittlestar
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chien de mer

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, and Sweden.

Chien de mer

The Atlantic Sharpnose Shark (Rhizoprionodon terraenovae) is a species in the genus Rhizoprionodon. It is currently classified as Least Concern on the IUCN Red List. 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.