The dissection of the Spanish Slug (Arion vulgaris), invasive molluscan species now common across the whole Europe, is presented. In the opening part of the paper, general information about Spanish Slug and preparation of the dissection are provided, being followed by detailed description of external and internal anatomy of the dissected slug and the progression of the dissection.
In the end, extraction of the radula is presented. The author also provides the supporting data in PDF document.