Tropical Leatherleaf Slug皺足蛞蝓Laevicaulis alte(Férussac, 1821)

Also known as: 褐皺足蛞蝓、寬足蛞蝓、高突足襞蛞蝓、覆套足襞蛞蝓、高突滑尾蛞蝓、高突覆套蛞蝓

TerrestrialMarine

It is not native to Taiwan, and here it is an invasive species.