dead blue jellyfish washed ashore by the wave. the mucous body of the poisonous rhizostoma pulmo on the black sea coast in

alga animal aquatic ashore barrel beach black blue body coast dead dustbinlid eco ecological ecology europe frillymouthed jellies jelly jellyfish kherson life marine mucous nature ocean poisonous port pulmo region rhizostoma rhizostomatidae sand sea seaweed slime softbodied summer transparent ukraine ukrainian venomous washed water wave wildlife zalizny zaliznyi