close up of two beautiful transparent jellyfish swimming in the seawater of an aquarium on a blue background. square picture

four three animal aquarium aquatic awe beautiful beauty blue box jellyfish chrysaora closeup cnidaria creature danger dark deep exotic fish floating invertebrate jelly marine medusa nature ocean oceanography organism pain phosphorescence poisonous sea sentosa sloped stinging swim tentacle transparent undersea underwater water white color wildlife close two swimming seawater background square picture photo