close-up of cornerot and aurelia jellyfish on the sandy shore and in the water. ecological catastrophe. threat to humans. the

animal ashore aurelia aurita ban beach beached bell bright close coastal cornerot danger dead disaster dome fish instow invasion jelly jellyfish land landscape low mastigiidae medusa natural nature north outdoor patten pattern phyllorhiza poisonous pulmo purple rhizostoma rhizostomeae round sand sandy sea shell stone summer swimming tentacle tentacles texture the threat tidal washed water