Common name: Large Black Slug, Black Slug, Black Arion, European Black Slug.
Scientific name: Arion ater 黑蛞蝓
Genus: Arion 歐洲蛞蝓屬
Family: Arionidae 歐洲蛞蝓科, roundback slugs. round back slugs (air-breathing slugs, terrestrial pulmonate gastrod mullusks)
Order: Stylommatophora 柄眼目, air-breathing land snails and slugs
Class: Gastropoda 腹足網, slugs and snails
Status: Very widespread. It is omnivores and is a useful composters of dead plant matter, food waste and pet faces. However, it also attack tender parts of plants and seedlings.
Date: 3rd Aug
Inactive when discovered.
Eye stalks protruding now....
Mucus pore visible at the tip of the tail.
Enlarged photo above to see more clearly the mucus pore, a characteristic of members of Arionidae 歐洲蛞蝓科.
Exposure adjusted so that striped foot fringe could be seen. It is said that it is darker and duller than the body sides.
Active crawling acroos a rock in a damp day. Tubercles large and coarse.
Sluggish and move slowly.
