What are facts about arion?

Answer 1

Arion is a genus of land slugs within the family Arionidae, commonly known as the black slugs. They are native to Europe but have been introduced to various regions, including North America. Arion slugs are known for their distinctive, often shiny bodies, which can range in color from black to brown or gray. They are hermaphroditic, possessing both male and female reproductive organs, and primarily feed on decaying plant matter, making them important decomposers in their ecosystems.