Beautiful Yellow Underwing vs common grey sea slug

Anarta myrtilli compared with Aeolidia papillosa

Taxonomic Classification

Rank	Beautiful Yellow Underwing	common grey sea slug
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Arthropoda (节肢动物门)	Mollusca (软体动物门)
Class	Insecta (昆蟲綱)	Gastropoda (腹足纲)
Order	Lepidoptera (鱗翅目)	Nudibranchia (裸鳃目)
Family	Noctuidae	Aeolidiidae
Genus	Anarta	Aeolidia
Species	Anarta myrtilli	Aeolidia papillosa

Evolutionary Relationship

Beautiful Yellow Underwing and common grey sea slug share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

Beautiful Yellow Underwing

LC — Least Concern

common grey sea slug

LC — Least Concern

Physical Characteristics

Attribute	Beautiful Yellow Underwing	common grey sea slug
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Beautiful Yellow Underwing

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Beautiful Yellow Underwing

The Beautiful Yellow Underwing (Anarta myrtilli) is a species in the genus Anarta. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

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.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden