The most Critically Endangered shark species are largely unknown. These fascinating facts illustrate why they should get more attention and earn protection.
Training Articles
In this installment of Ask a Marine Biologist, Dr. David Shiffman tackles a frequently asked question about sharks.
Oxygen toxicity is one of the most significant dangers nitrox divers face, but fortunately it’s easily preventable.
Erin Quigley explains how to use two techniques in Photoshop to remove backscatter from your underwater images.
Learn how to identify key coral species like the *Mycedium Elephantotus* coral, more commonly known as elephant nose coral.
A scuba diving instructor makes a series of mistakes that ultimately cost him his life, in the latest installment of Lessons for Life.
Rescuers rely on the help of the on-water community to report entangled humpback whales.
Four reasons to consider building your own personal diving community.