closeup on abnormal blue-purple colored common rough woudlouse, porcellio scaber

arthropoda arthropod isopoda nature porcellio scaber animal wildlife armored armoured biology bug close up closeup common rough woodlouse creature creepy crustacean detail dwelling exoskeleton fauna grey ground insect invertebrate isopods macro one oniscidea outdoors pill pillbug porcellionidae secretive single sow terrestrial tiny wild woodlice