brittlestar vs doubletoothed hydroid

Amphiura filiformis compared with Obelia bidentata

Key Differences

• brittlestar is Least Concern while doubletoothed hydroid is Not Evaluated.

Taxonomic Classification

Rank	brittlestar	doubletoothed hydroid
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Cnidaria (Cnidarians)
Class	Ophiuroidea (Ophiuroidea)	Hydrozoa (Hydrozoa)
Order	Amphilepidida (Amphilepidida)	Leptothecata (Leptothecata)
Family	Amphiuridae	Campanulariidae
Genus	Amphiura	Obelia
Species	Amphiura filiformis	Obelia bidentata

Evolutionary Relationship

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

Conservation Status

brittlestar

LC — Least Concern

doubletoothed hydroid

NE — Not Evaluated

Physical Characteristics

Attribute	brittlestar	doubletoothed hydroid
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.

doubletoothed hydroid

Habitat

Native to Africa and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Argentina, Belgium, Brazil, Portugal, and South Africa.

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.