Hydatina physis Rose Shell Sea Snail Nudibranch 25fps 4k Lembeh Indonesia

hydatina physis rose bubble shell sea snail nudibranch sea slug lembeh indonesia north sulawesi lembeh strait muck diving underwater scuba diving volcanic sand night night dive black background foraging hunting feeding rocky reef tropical coral reef shallow moving behaviour burying bury colorful shell marine slug ocean macro underwater photography close up toward camera through frame exit frame