Atlantic Dolphin vs Dusky arion

Delphinus delphis compared with Arion subfuscus

Key Differences

• Atlantic Dolphin is Least Concern while Dusky arion is Data Deficient.

Taxonomic Classification

Rank	Atlantic Dolphin	Dusky arion
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Cetacea (Whales & Dolphins)	Stylommatophora (Stylommatophora)
Family	Delphinidae (Oceanic Dolphins)	Arionidae
Genus	Delphinus	Arion
Species	Delphinus delphis	Arion subfuscus

Evolutionary Relationship

Atlantic Dolphin and Dusky arion share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Atlantic Dolphin

LC — Least Concern

Dusky arion

DD — Data Deficient

Physical Characteristics

Attribute	Atlantic Dolphin	Dusky arion
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

Dusky arion

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Found across Europe (5 countries) and North America (United States).

Atlantic Dolphin

Atlantic Dolphin (Delphinus delphis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden