Cold Water Diving Shortly after sunrise the main dive boat, Calcutta, set out from Golden Shadow to survey a gently sloping spur and groove reef system on the south eastern side of Ill des Pins. The dive team and crew
Several hours after dark on Halloween, a large school of bait fish attracted to the lights given off by the Golden Shadow, congregated near the aft deck to feed on plankton. This fish behavior (and the lights) also attracted other
Floating along above the reef on our coral surveys here in Tonga, we are occasionally distracted by flashes of bright colors crawling along the reef. These bright colors come from a group of sea slugs called nudibranchs. For the uninitiated,
Bioluminescence occurs when a biological organism produces a chemical reaction where energy is released in the form of light. A familiar example of bioluminescence is the firefly, emitting a yellow-green light. In the marine environment, most bioluminescence appears as a
There are risks in every work environment, so working on and around boats brings with it unique safety concerns. We stress safety at the beginning of every mission, and give reminders of various risks throughout the mission. In order to
One of the most exciting aspects of this expedition is that every morning we get in the water having no idea what we’re about to find. There’s always something interesting to see, but sometimes the reefs we find are a
After another spectacular day exploring the Farasan Banks, I was once again enamored by the wonders of the Red Sea and the rich diversity of life that abounds on the reefs and in surrounding waters. We completed two spectacular wall
During a dive on an inshore reef I saw my first cuttlefish, a pharaoh cuttlefish (Sepia pharaonis). A cephalopod related to the squid and octopus, this animal has eight tentacles and two arms located in pouches beneath its eyes. It
Our fifth day of research was an epic day. Once again, we had blue skies, calm seas and clear water. One of the local experts warned us of strong winds and a change in conditions, but so far the seas
