tropical slug, leech, snail without shell climbing on rough white painted house wall

agriculture animal background black brown climb climbing close closeup common crack crawl creature dark deroceras environment fauna flavus floor focus forest garden gastropod grey ground house leech limacine limacus line little long low macro micro mollusk motion move nature ocean painted pebble pest pulmonate reticulatum rough selective shell single slimy slow slug small snail softness stone surface terrestrial tropical wall wet white wildlife