Female Paper Nautilus holding onto a small pink Jellyfish in open water, Blackwater

paper nautilus argonaut cephalopod octopod octopoda paper nautili argonauta argonautidae cephalopoda abyssopelagic animal bathypelagic black water diurnal diurnal vertical migration holopelagic juvenile larva larval mesopelagic pelagic blackwater marine invertebrate open ocean female paper nautilus small pink jellyfish anilao philippines night diving deep sea aquatic life oceanic deep ocean cephalopod behavior underwater filming marine life ocean nightlife marine cephalopod marine creature aquatic invertebrate ocean exploration deep sea diving night ocean jellyfish