Playing with Sea Lions   Along sections of the California coast, dense forests of giant kelp create towering underwater landscapes. Long brown fronds rise from rocky bottom to the surface, forming columns that sway in the surge. Light filters through the canopy in green and gold shafts. These forests provide shelter and hunting ground for...

Rescue in Costa Rica   At a site near Bat Islands off the Pacific coast of Costa Rica, divers entered the water expecting strong current, bull sharks in the blue, and perhaps the occasional passing manta ray. The plan was a standard drift along the reef while watching a cleaning station where rays often circle....

Coral Spawning on the Great Barrier Reef   On a warm November evening a liveaboard vessel rested over an outer section of the Great Barrier Reef. Water temperature had stayed above roughly twenty seven degrees for weeks, and the first full moon of late spring had just passed. These conditions are known to trigger one...