Pisces IV Submersible

The Pisces IV submersible sits on a saddle near Kingman Reef in Hawaii.
(Hawaii Undersea Research Laboratory, National Oceanographic Atmospheric Administration (NOAA))

The Pisces IV submersible sits on a saddle near Kingman Reef in Hawaii next to a gold coral (Gerardia sp.). The photo was taken by another Hawaii Undersea Research Laboratory submersible—Pisces V. Explore more in the multimedia feature "Coral Gardens of the Deep Sea."