brittlestar vs Requin tiqueue

Amphiura filiformis compared with Carcharhinus porosus

Key Differences

• brittlestar is Least Concern while Requin tiqueue is Critically Endangered.

Taxonomic Classification

Rank	brittlestar	Requin tiqueue
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum	Echinodermata (Echinoderms)	Chordata (Chordates)
Class	Ophiuroidea (Ophiuroidea)	Chondrichthyes (Cartilaginous Fish)
Order	Amphilepidida (Amphilepidida)	Carcharhiniformes (Ground Sharks)
Family	Amphiuridae	Carcharhinidae
Genus	Amphiura	Carcharhinus
Species	Amphiura filiformis	Carcharhinus porosus

Evolutionary Relationship

brittlestar and Requin tiqueue share a common ancestor at the Kingdom level: Animalia. (animal)

Conservation Status

brittlestar

LC — Least Concern

Requin tiqueue

CR — Critically Endangered

Physical Characteristics

Attribute	brittlestar	Requin tiqueue
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.

Requin tiqueue

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 5 distinct biome types within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Venezuela. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.