common grey sea slug vs Sour Prickle

Aeolidia papillosa compared with Opuntia dillenii

Key Differences

common grey sea slug is Least Concern while Sour Prickle is Not Evaluated.

Taxonomic Classification

Rank	common grey sea slug	Sour Prickle
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Magnoliophyta (Flowering Plants)
Class	Gastropoda (Gastropoda)	Magnoliopsida (Dicots)
Order	Nudibranchia (Nudibranchia)	Caryophyllales (Caryophyllales)
Family	Aeolidiidae	Cactaceae
Genus	Aeolidia	Opuntia
Species	Aeolidia papillosa	Opuntia dillenii

Conservation Status

common grey sea slug

LC — Least Concern

Sour Prickle

NE — Not Evaluated

Physical Characteristics

Attribute	common grey sea slug	Sour Prickle
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.

Sour Prickle

Habitat

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

Range

Widely distributed across Africa (Madagascar), Asia (5 countries), Europe (4 countries), and South America (Brazil, Colombia).

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.