Photography of the Unseen

Certain marine critters are elusive and harder to photograph — not impossible. Learn the best photographic ideas, techniques and insights into methods for taking photos of these critters.

White frogfish pokes head out of corals. The frogfish looks like a head of cauliflower.

On the Brink

Predatory fish in natural environments are a rarity, because of physical traits and population exploitation. Read more about about predatory fish populations that are on the brink.

Dopey-looking hammerhead shark swims above the ocean floor

Oxygen

Oxygen has long been recognized as the primary first aid for scuba diving injuries. In light of compelling evidence in favor of oxygen first aid, one of DAN’s stated missions is to ensure that oxygen first aid equipment and people trained in its use are at every dive site.

Woman in pink tank top assists man on oxygen tank