American Hackberry vs common grey sea slug

Celtis occidentalis compared with Aeolidia papillosa

Taxonomic Classification

Rank	American Hackberry	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	Cannabaceae	Aeolidiidae
Genus	Celtis	Aeolidia
Species	Celtis occidentalis	Aeolidia papillosa

Conservation Status

American Hackberry

LC — Least Concern

common grey sea slug

LC — Least Concern

Physical Characteristics

Attribute	American Hackberry	common grey sea slug
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American Hackberry

Habitat

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

Range

Widely distributed across Africa (South Africa), Asia (Armenia), Europe (14 countries), North America (Canada, United States), and Oceania and the Pacific (Australia).

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.

American Hackberry

The American Hackberry (Celtis occidentalis) is a species in the genus Celtis. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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 2 countries:

🇧🇪 Belgium 🇳🇴 Norway