A female paper nautilus swims through the black water in search of a mate, Anilao, Philippines.

anilao animal animal themes aquatic argonauta argonautidae black background cephalopod close up coleoidea color image copy space female animal full length horizontal jellyfish macro marine biology mollusk muck diving nautiloidea nautilus new life night no people octopoda octopus one animal outdoors paper nautilus pelagic philippines photography science sea life sea shell side view small southeast asia swimming tiny underwater wildlife zoology