arrowhead vs brittlestar

Sagittaria sagittifolia compared with Amphiura chiajei

Taxonomic Classification

Rank	arrowhead	brittlestar
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Echinodermata (Echinoderms)
Class	Liliopsida (Monocots)	Ophiuroidea (Ophiuroidea)
Order	Alismatales (Alismatales)	Amphilepidida (Amphilepidida)
Family	Alismataceae	Amphiuridae
Genus	Sagittaria	Amphiura
Species	Sagittaria sagittifolia	Amphiura chiajei

Conservation Status

arrowhead

LC — Least Concern

brittlestar

LC — Least Concern

Physical Characteristics

Attribute	arrowhead	brittlestar
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

arrowhead

Habitat

Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical dry broadleaf forests within the Oceanian biogeographic realm.

Range

Widely distributed across Asia (India), Europe (7 countries), North America (Mexico), and Oceania and the Pacific (Australia, Fiji).

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

arrowhead

The Arrowhead, Sagittaria sagittifolia, is a species. It is currently assessed as least concern on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical dry broadleaf forests within the Oceanian biogeographic realm.

brittlestar

The Brittlestar (Amphiura chiajei) 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.