Young banana slug

Ariolimax columbianus is the second largest land slug in the world. Adults range from 15-20cm in length. Some have been recorded at 25.4 cm! Augustus A. Gould first gave these soft bodied invertebrates a scientific name in 1851. Some of the first studies were conducted along the Columbia River; hence the species name A. columbianus (Harper 1988). Gastropoda describes the banana slugs stomach-foot or muscular-foot, which allows them to slowly crawl on a series of muscular waves (Denny 1980). Pulmonata.. more