Oval-blade Algae vs small tortoiseshell

Caulerpa prolifera compared with Aglais urticae

Key Differences

• Oval-blade Algae is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Oval-blade Algae	small tortoiseshell
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Chlorophyta (Chlorophyta)	Arthropoda (Arthropods)
Class	Ulvophyceae (Ulvophyceae)	Insecta (Insects)
Order	Bryopsidales (Bryopsidales)	Lepidoptera (Butterflies & Moths)
Family	Caulerpaceae	Nymphalidae (Brush-footed Butterflies)
Genus	Caulerpa	Aglais
Species	Caulerpa prolifera	Aglais urticae

Conservation Status

Oval-blade Algae

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Oval-blade Algae	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Oval-blade Algae

Habitat

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

Range

Distributed across Brazil, Egypt, Norway, and Portugal.

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.

small tortoiseshell

small tortoiseshell (Aglais urticae) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇵🇹 Portugal