Big-Sting Nettle vs common grey sea slug

Urtica dioica compared with Aeolidia papillosa

Taxonomic Classification

Rank	Big-Sting Nettle	common grey sea slug
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Mollusca (Mollusks)
Class	Magnoliopsida (Dicots)	Gastropoda (Gastropoda)
Order	Rosales (Roses & Allies)	Nudibranchia (Nudibranchia)
Family	Urticaceae	Aeolidiidae
Genus	Urtica	Aeolidia
Species	Urtica dioica	Aeolidia papillosa

Conservation Status

Big-Sting Nettle

LC — Least Concern

common grey sea slug

LC — Least Concern

Physical Characteristics

Attribute	Big-Sting Nettle	common grey sea slug
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-Sting Nettle

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes, among 4 distinct biome types within the Palearctic biogeographic realm.

Range

Widely distributed across Africa (South Africa), Asia (Japan, Turkey), Europe (7 countries), North America (United States), Oceania and the Pacific (Australia, New Zealand), and South America (4 countries).

common grey sea slug

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Belgium, Chile, Denmark, Norway, and Sweden.

Big-Sting Nettle

The Big-Sting Nettle (Urtica dioica) is a species in the genus Urtica. It is currently classified as Least Concern on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes, among 4 distinct biome types within the Palearctic biogeographic realm.

common grey sea slug

<em>Aeolidia papillosa</em>, commonly known as the common grey sea slug, is a nudibranch mollusc belonging to the genus Aeolidia within the family Aeolidiidae. Despite the species name referencing terrestrial and aquatic habitats including forests and freshwater, <em>Aeolidia papillosa</em> is primarily a marine organism. Its range includes Belgium, Chile, Denmark, Norway, and Sweden, indicating a distribution across the North Atlantic and into South American waters. Common grey sea slug is assessed as Least Concern on the IUCN Red List. The species is typically found in intertidal and subtidal zones, where it preys on sea anemones and stores stinging cells from its prey in its dorsal cerata for defense. Biological traits of this species remain poorly documented in the scientific literature.