Arion fuscus, also known as the "Dusky Arion", is a species of small air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Arionidae, the roundback slugs.
Similar species: Pulmonata
By Christine Young
Attribution Non-Commercial
Uploaded Jan 4, 2024. Captured Jul 31, 2022 08:55 in 5 Judson Ave, Woodbury, CT 06798, USA.
