Action cam approaches fried egg jellyfish upside down on seabed

action cam fried egg jellyfish jellyfish seabed seafloor marine stones rock sunbeam reflections polyp medusae sea jellies cepheidae cotylorhiza tuberculata mediterranean sea tentacles cilia stinging cytotoxicity ecosystem acuatic sea habitat animal invertebrate underwater reflections sunlight sea danger poisonous bioindicators freeswimming marine topography ocean surface topography ocean