brittlestar vs small tortoiseshell

Amphiura filiformis compared with Aglais urticae

Key Differences

• brittlestar is Least Concern while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	brittlestar	small tortoiseshell
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Echinodermata (棘皮动物门)	Arthropoda (节肢动物门)
Class	Ophiuroidea (蛇尾纲)	Insecta (昆蟲綱)
Order	Amphilepidida (阳遂足目)	Lepidoptera (鱗翅目)
Family	Amphiuridae	Nymphalidae (Brush-footed Butterflies)
Genus	Amphiura	Aglais
Species	Amphiura filiformis	Aglais urticae

Evolutionary Relationship

brittlestar and small tortoiseshell share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

brittlestar

LC — Least Concern

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	brittlestar	small tortoiseshell
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.

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). 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.

small tortoiseshell

小玳瑁蛱蝶(Aglais urticae)在IUCN红色名录中被列为近危(NT)物种。接近符合受威胁种标准，如无保护措施，种群可能变得脆弱。

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden