common grey sea slug vs Madagascar widow's-thrill

Aeolidia papillosa compared with Kalanchoe blossfeldiana

Key Differences

common grey sea slug is Least Concern while Madagascar widow's-thrill is Not Evaluated.

Taxonomic Classification

Rank	common grey sea slug	Madagascar widow's-thrill
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Magnoliophyta (Flowering Plants)
Class	Gastropoda (Gastropoda)	Magnoliopsida (Dicots)
Order	Nudibranchia (Nudibranchia)	Saxifragales (Saxifragales)
Family	Aeolidiidae	Crassulaceae
Genus	Aeolidia	Kalanchoe
Species	Aeolidia papillosa	Kalanchoe blossfeldiana

Conservation Status

common grey sea slug

LC — Least Concern

Madagascar widow's-thrill

NE — Not Evaluated

Physical Characteristics

Attribute	common grey sea slug	Madagascar widow's-thrill
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.

Madagascar widow's-thrill

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Africa (Seychelles, South Africa), Asia (India, Taiwan, Turkey), Europe (Belgium, Sweden), North America (Dominican Republic, United States), and South America (4 countries).

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.