ctenophora jellyfish shining bioluminescence underwater

animal invertebrate wildlife nature leaf food seafood fish underwater flower insect yellow autumn amphibian organism reef adventure aquatic bio bioluminescence bioluminescent bolinopsidae coast ctenophora ctenophore island jelly jellyfish jellyfishes koster landscape life light luminescence marine midsummer mnemiopsis national natural night nordkoster norway ocean open water park preserve reserve saltwater scandinavia scandinavian sea seashore shining sweden swedish transparent undersea view