Comb Jelly ctenophore with light refracting off the cilia , as it moves

comb jelly ctenophore ctenophora comb jellyfish lobata macrocilia blackwater black water diurnal diurnal vertical migration pelagic open ocean sea creatures scuba diving night diving underwater video deep sea marine behavior underwater world deep water pelagic zone oceanic life underwater environment ocean wildlife marine documentation blackwater diving refracting cilia bioluminescence light refraction gelatinous zooplankton open ocean life marine invertebrates ctenophore diversity underwater footage ocean habitats pelagic creatures ctenophore movement sea life blackwater species aquatic behavior nocturnal diving marine footage sea environment ctenophore research