blue rhizostomeae jellyfish swims in the transparent water of the black sea among the grass on the background of a sandy bottom.

animal aquatic background black blubber blue bottom creature danger diving dry europe fauna fish gorgon grass habitat jelly jellyfish kherson marine medusa natural nature ocean organism outdoor plant poisonous port region rhizostoma rhizostomae rhizostomeae sand sandy sea summer swim swimming transparent travel tropical ukraine umbrella underwater water wild wildlife zaliznyi