Even sea life needs a siesta. See what this means about the evolution of sleep.
Back to Scuba Gear
Marine Life Articles
The landmark international agreement seeks to halt biodiversity loss and marine degradation for over half the planet. Here's what it means for divers, oceans and economies.
Chance encounters underwater with whales are rare—but they're a lot more likely to happen at one of these incredible spots.
A rare Florida cold snap left hundreds of juvenile sea turtles cold-stunned in shallow lagoons, prompting a rapid rescue and rehabilitation response that offers a rare look inside the delicate, hands-on process of saving turtles when winter temperatures plunge. This sudden freeze highlights why protecting sea turtles matters more than ever.
Fish (and many marine invertebrates) don't have lungs. In this edition of “Ask a Marine Biologist,” Dr. David Shiffman explains how gills work.
It's one thing to see humpback whales in person, but hearing them is an entirely different—and completely transformative—experience.
With new protections achieved for sharks and rays at the most recent CITES meeting, we explore the economic case for protecting diving's most iconic species.
Sign up for a PADI Indonesia Sea Slugs and Nudibranchs Awareness Distinctive Specialty and develop the patience and skill to find some of the ocean's smallest critters.
See the image and hear how, after weeks of patiently waiting, a photojournalist and Sea Hero captured a rarely seen eel behavior—hunting our of water.