Scuba Diving Training, How to Scuba Dive

18 Secrets to Saving Air

Do you frequently have to end the dive before the rest of the group? Follow our dive training tips for breathing and saving air underwater and extend your bottom time.

Featured Training Articles

Dive Accidents and How to Avoid Them

How to Prepare For a Successful Dive

By Jason A. Botticelli posted Aug 11th, 2018

Our expert provides helpful tips to keep in mind as a dive leader preparing for a dive.
Understanding Your Liability As a Scuba Diving Professional

By Jason A. Botticelli posted Aug 9th, 2018

Liability insurance is mandatory for scuba diving professionals, but do you understand what it covers and how you could still be found at fault?
A Mile to Malpelo: A Diver's Fight for Survival after Being Left at Sea

By Brooke Morton posted Nov 23rd, 2017

The story of divers who were left at sea while scuba diving off Colombia's Malpelo Island, as told by Peter Morse.

Ready to Start Scuba Diving?

The Best Scuba Diving Organizations for Veterans
Meet Zoe, the World’s Youngest Lionfish Hunter
Best Introductory Cave Dives in Florida

6 Dive Sites that Will Give Open Water Divers a Taste of Caves
Badass Woman Dives All Seven Continents in Seven Months

Underwater Photo Tips and Techniques

SeaLife Cameras Offering Free Photo and Video Tutorials

By Becca Hurley posted Apr 22nd, 2020

Learn a new skill or brush up on an old one with these free underwater camera tutorials from SeaLife cameras.
When Am I Ready to Dive with an Underwater Camera?

Here's How to Know When to Take the Leap

By Brent Durand posted Jun 20th, 2019

Step-by-step guide for knowing when it's a good time to start using an underwater camera on dives.
Social Media Success for Underwater Video

7 Tips for Sharing Your Underwater Videos Online

By Brent Durand posted Jun 18th, 2019

Attract more views on your underwater videos with these social media success tips.

Dive Health & Safety

Sponsored Content

Ask DAN: Can Diving with Nitrox Prevent Fatigue?

Diving with Enriched Air Has Many Benefits — Is Preventing Fatigue One of Them?

By Divers Alert Network posted Jul 10th, 2019

In its nearly three decades of use, several misconceptions have surrounded the use of nitrox, most notably that divers report feeling less tired after a dive on nitrox…
The Benefits of Yoga and Scuba Diving

By CJ Kessler posted Apr 20th, 2019

Both scuba diving and yoga are forms of active meditation, certified yoga and dive instructor CJ Kessler explains the benefits of participating in both activities.
GoFundMe Fundraiser Supports Research for Dangerous Diving Practices

By Eric Douglas posted Jan 11th, 2019

Fundraiser set up to finance project with Diving Diseases Research Centre based on Dr. Elmer Mejía treatment of Miskito divers.

Marine Life Identification Tips

How Many Large, Undiscovered Species Are Still Out There?

In this edition of Ask a Marine Biologist, Dr. David Shiffman answers a question about what’s still lurking in the deep.

By David Shiffman posted Aug 24th, 2021

Humanity discovering a large species perviously unknown to science is almost certain. Here's why.
Do Different Species of Marine Animals Ever Help Each Other?

In this edition of Ask a Marine Biologist, Dr. David Shiffman talks about interspecies cooperation and symbiosis

By David Shiffman posted Jun 30th, 2021

From coral to deep sea bacteria to apex predators, the ocean is chock full of Interspecies cooperation…
Why Don’t Electric Rays Electrocute Themselves?

In this edition of Ask a Marine Biologist, Dr. David Shiffman discusses the double-edged sword of using bioelectricity as a weapon

By David Shiffman posted Jun 1st, 2021

A ray's electric pulse is generated via modified muscle cell and is generated to either to stun prey or startle away predators.

Latest Training Articles

How do Aquatic Animals Get into Flooded Quarries?

In this edition of Ask a Marine Biologist, Dr. David Shiffman discusses how organisms get into isolated, human-made habitats.

By David Shiffman posted Oct 8th, 2021

There are several avenues for organisms to populate newly-formed bodies of water, including floods and groundwater.
What is Harming the Ocean More: Climate Change or Overfishing?

In this edition of Ask a Marine Biologist, Dr. David Shiffman compares two grave threats to wild marine life and places.

By David Shiffman posted Aug 3rd, 2021

Climate change and overfishing are both wreaking havoc on oceans. Here’s which one should be our priority to fix first.
Do Shark Feeding Dives Impact Other Fish?

In this edition of Ask a Marine Biologist, Dr. David Shiffman answers a question about how divers feeding sharks impacts the broader ecosystem.

By David Shiffman posted Apr 7th, 2021

Feeding sharks can be safe and minimally disruptive, but the presence of extra food and sharks in one location repeatedly may have impacts we’re only starting to…
How Can I Reduce Plastic Pollution?

In this edition of Ask A Marine Biologist, Dr. David Shiffman tackles a question about an ocean conservation issue loaded with misinformation.

By David Shiffman posted Mar 19th, 2021

The most effective tactic is prevention, like participating in beach clean ups and supporting policy that reduces plastic reliance.
How do Deep Sea Animals Find New Food Sources in the Pitch Black?

In this Ask A Marine Biologist, Dr. David Shiffman answers a question about hydrothermal vent animals!

By David Shiffman posted Jan 20th, 2021

Slowly shifting between food oases or dispersing as larvae, are two ways, but scientific understanding is still a bit hazy.
Are There Ocean Animals That Make Noise at Sunrise Like Roosters?

In this edition of Ask A Marine Biologist Dr. David Shiffman discusses the dawn chorus!

By David Shiffman posted Dec 28th, 2020

More than 800 ocean animals use noise to communicate, from whales to fish. That makes the humans sounds under the sea a problem.