common grey sea slug vs Variable Abalone

Aeolidia papillosa compared with Haliotis varia

Taxonomic Classification

Rank	common grey sea slug	Variable Abalone
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Mollusca (연체동물)	Mollusca (연체동물)
Class same	Gastropoda (복족강)	Gastropoda (복족강)
Order	Nudibranchia (갯민숭달팽이)	Lepetellida (Lepetellida)
Family	Aeolidiidae	Haliotidae
Genus	Aeolidia	Haliotis
Species	Aeolidia papillosa	Haliotis varia

Evolutionary Relationship

common grey sea slug and Variable Abalone share a common ancestor at the Class level: Gastropoda. (복족강)

Conservation Status

common grey sea slug

LC — Least Concern

Variable Abalone

LC — Least Concern

Physical Characteristics

Attribute	common grey sea slug	Variable Abalone
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Variable Abalone

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and deserts and xeric shrublands within the Indomalayan biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Sri Lanka and Taiwan.

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.