How to master the complexities of extensive explorations of underwater caves and other overhead environments. Distance of 700 meters from the entrance to the end point. The depth of 164 meters at the beginning of the actual exploration and 186 meters at the end. Duration of the dive, which including deco stops, required a run time 9 hours and 46 minutes submersed.
Situated 25 km (15 miles) north of the Scottish mainland, the Orkney Islands are located on the same latitude as southern Greenland, Alaska and Leningrad, however Orkney is bathed in the warm waters of the North Atlantic Drift that first started out as the Gulf Stream in the Caribbean.
Even in the digital age, black and white photographs are still viewed as art. In this edition of my underwater photography series, I’ll give you an introduction to contrast imaging.
Taking photos underwater without a flash is not common, but it actually is easier than using a flash. I have a few tips and advice for getting good results.
New Sea Farm Raises White Whales in the White Sea.
One thousand and 192 islands, islets and sand cays string the 26 atolls of the Maldives; from the air they float like emerald necklaces flung upon a cobalt blue sea.
NAUI turns 50. Are the founding principles still valid half a century later, have they changed, and how does the organization plan to evolve in the next 50?
Ice diving is always something out of the ordinary. The atmosphere, colors, flora and fauna—it definitely pays off to endure the icy temperatures for a while. However, there are a few things you need to be aware of. If you are not afraid of the cold water and you can overcome the anxiety of diving under ice, you will enjoy photographing the sometimes bizarre formations under the ice.
King crabs invade Norwegian waters.
The Cold War has been over for more than two decades, but a relentless red army of monster crabs are still pouring over the border of Russia into Norway. The crabs are feared by environmentalists, but not by scuba divers.
Researchers in Australia have discovered a secret weakness of one of the ocean's most impressive predators.
The scientists, who examined the retinas of 17 different species of shark, discovered that the creatures had only one type of colour-sensitive cell, known as a cone cell, in their eyes.
A study by Simon Oliver at the School of Ocean Sciences, Bangor University describes the first observations of thresher sharks venturing into shallow coastal waters to interact with cleaner wrasse, a type of small fish that groom other fish species.
Thresher sharks live in the open oceans and much of the knowledge of them to date is based on fisheries bycatch. This study just published in published in PLoS ONE, (14 March 2011) examined the behaviour of these elusive sharks as they invite cleaners to remove parasites and dead tissue.
House Bill (HB) 2838 was introduced to the Oregon State Legislature on 11 January 2011 by Representative Brad Witt (D-Clatskanie) to prohibit the possession, sale, trade, and distribution of shark fins in Oregon. Western ports such as those in Oregon and California are major entry points for shark fin distribution in the United States.
