Dive etiquette is fundamental to every diver's success and enjoyment, but behavior like what is displayed in this video is atrocious and unacceptable. http://aquaviews.net/scuba-guides/dive-etiquette-behave-underwater/
National Geographic's Your Shots features this spectacular picture of a scuba diver swimming under a massive shoal of fish at Cabo Pulmo, in Baja California peninsula, Mexico. The picture, shot by Californian photographer Jeff Hester, shows a colorful ocean full of life but that wasn't always the case:
For centuries, the often-treacherous waters off the Outer Banks of North Carolina have claimed hundreds of seagoing vessels. Today, wreck-loving scuba divers can reap the benefits on dozens of sites that are well preserved, accessible and packed with marine life.