achatina fulica, land snails belonging to the achatinidae tribe

achatina fulica land snails belonging achatinidae tribe snail shell nature giant slimy mollusk spiral animal brown invertebrate slug slow african closeup background one gastropod slippery macro wildlife motion garden wet antenna species food wild green single white speed house mucilage disease natural invasive mollusc moving caucasus shiny lissachatina big crawling originally east africa spread almost all corners world