brittlestar vs sharp-leaved pondweed

Amphiura filiformis compared with Potamogeton acutifolius

Key Differences

• brittlestar is Least Concern while sharp-leaved pondweed is Near Threatened.

Taxonomic Classification

Rank	brittlestar	sharp-leaved pondweed
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Echinodermata (Echinoderms)	Magnoliophyta (Flowering Plants)
Class	Ophiuroidea (Ophiuroidea)	Liliopsida (Monocots)
Order	Amphilepidida (Amphilepidida)	Alismatales (Alismatales)
Family	Amphiuridae	Potamogetonaceae
Genus	Amphiura	Potamogeton
Species	Amphiura filiformis	Potamogeton acutifolius

Conservation Status

brittlestar

LC — Least Concern

sharp-leaved pondweed

NT — Near Threatened

Physical Characteristics

Attribute	brittlestar	sharp-leaved pondweed
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.

sharp-leaved pondweed

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden