Pattern made of green traps used in Portugal to catch octopus and crabs

arthropoda arthropods arthropod bow net brachyura catches catching devices catching device catch cephalopoda cephalopods cephalopod coleoidea coleoids coleoid crabs crab crustaceans crustacean crustacea deserted empty europe fishings fishing fish traps fish trap green haul marine animals marine animal mollusca molluscs mollusc mollusk nets net nobody no one no people patterned patterns pattern portugal portuguese southern europe south europe structures structure traps trap uninhabited water animals water animal