Dwarf rockweed vs small tortoiseshell

Fucus cottonii compared with Aglais urticae

Taxonomic Classification

Rank	Dwarf rockweed	small tortoiseshell
Kingdom	Chromista (Chromista)	Animalia (Animals)
Phylum	Ochrophyta (Ochrophyta)	Arthropoda (Arthropods)
Class	Phaeophyceae (Phaeophyceae)	Insecta (Insects)
Order	Fucales (Fucales)	Lepidoptera (Butterflies & Moths)
Family	Fucaceae	Nymphalidae (Brush-footed Butterflies)
Genus	Fucus	Aglais
Species	Fucus cottonii	Aglais urticae

Conservation Status

Dwarf rockweed

NT — Near Threatened

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Dwarf rockweed	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf rockweed

Habitat

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

Range

Distributed across Norway and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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 (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.