Encounters with Bioluminescent Creatures

Scientists describe the amazing bioluminescent creatures they encounter as they descend into the deep--siphonophores, ctenophores, and viperfish--in this Smithsonian/History Channel "Deep Ocean Explorers" video excerpt.

If you like this video, watch the full 14-minute version of the Deep Ocean Explorers video, and you can explore more in the Deep Ocean Exploration section.