Close up of black round back slug perched on top of rock, lifts its head up, slomo

european black slug gastropod land slug large black slug snail slug arionidae mollusk slimy invertebrate tiny small terrestrial slowmo head wildlife stone omnivorous slow motion slow environment perch arion ater rock black arion slomo animal arion closeup black round close up top brown smooth one shiny portrait natural back background up glisten garden shine nobody lift wet no people