Masters of disguise, the leafy sea dragon is one of the trickier ocean critters to spot. Here's why these mythical-looking animals dazzle us—and how to take the perfect photo.
Marine Life
Sea Turtle, Inc., is on a decades-long mission to protect the South Padre Island turtle population from threats to their nesting grounds and more.
Corals in the Florida Keys are being ravaged by warming waters, diseases, overfishing, storms and more. Here's how some people are banding together to give them a fighting chance.
Few ocean critters are more charismatic than captivating cephalopods—squid, octopuses, cuttlefishes, nautiluses—and as divers, we can't get enough.
Can sound save coral? One researcher is working to answer this question.
The latest "Ask a Marine Biologist"
The typically inconspicuous giant Australian cuttlefish puts on a spicy performance during mating season
What organizations do divers need to know about? Dr. David Shiffman features the Angel Shark Project.