Scuba divers should respect these sometimes aggressive marine creatures that can sting, bite or snap if provoked.

Strengthen your marine-ID skills by learning how to identify the most common coral species.

Coral expert Nicole Helgason will write a regular column for *Scuba Diving* magazine helping you improve your coral identification skills.

How to help clean up marine debris on every dive, and why scuba divers should help tackle trash.

How to improve your underwater photography by using the close-focus wide-angle technique.

Another case study in our Dive Training Series "Lessons For Life": Panic, claustrophobia and poor decision-making lead to a dive fatality.

Lionfish use venom as a protective mechanism. When divers come in direct contact with their spines or fins, venom is injected into the skin through needlelike bristles located along the dorsal, pelvic and anal fins.

Don't let these common misconceptions about scuba diving hold you back.

DAN's annual report on dive accidents highlights four factors common to fatal accidents. The good news: They're all preventable. Our dive-training tips.