Alert Diver Category: Water Planet

Diadema sea urchins once plagued coral reefs but in just 13 months, quickly died off. However, diadema are important for reefs. Read more.

DESCENDING THE LIMESTONE STAIRS OF BONAIRE’S famous 1,000 Steps dive site in full scuba gear is challenging. It’s just 64 steps down, but it feels like many more. Once you make it down, you’re rewarded with a Caribbean reef teeming with life …

Coral and kelp are the ivory and ebony of ecosystems: mirrored opposites. Coral thrives in warm, clear, low-nutrient waters, while kelp lives in cold, nutrient-rich waters that tend to be murky because of those nutrients.

Manta rays are often forgotten in conservation and research efforts. Several species of rays are under threat. Learn more about manta rays and what you can do.

Eutrophication is the excessive richness of nutrients in a body of water and can kill plant and animal life from a lack of oxygen. It can be caused either by Mother Nature or human involvement. Read more about eutrophication.

TALK TO ANY HUMAN UNDER THE AGE OF 13, and they have probably been asked, “What do you want to be when you grow up?” I was just 3 years […]

After helping to establish the world’s first shark sanctuary in his nation’s waters in 2009, President Tommy Remengesau Jr. of the Republic of Palau signed legislation last year that set aside 80 percent of his small west Pacific island nation’s ocean as a fully protected marine sanctuary.

The ocean is actually quite a noisy place caused by the unique marine fauna. Read more about this marine symphony.

IT’S NO SECRET THAT CARIBBEAN REEFS ARE IN CRISIS. Many stony coral species face an uncertain destiny, and some scientific predictors point toward extinction in the near future for some species.
What is the value of a dead reef compared with the value of a living marine ecosystem?