Is Something Wrong?

MY BUDDY AND I DIVED SIX OUT OF SEVEN DAYS on my last dive trip. Our profile allowed an hour of dive time with two-tank dives …

Liz Taylor: A Diver and a Doer

A 2023 inductee into the Women Divers Hall of Fame, Taylor hopes to get people to think about little things they can do every day that collectively can make a big difference.

Liz Taylor outside DOER headquarters

Larry Brown

A READER RECENTLY BROUGHT TO OUR ATTENTION that over the years multiple Alert Diver contributors have credited a particular dive instructor with providing training that saved their lives. Upon researching […]

TOKITAE the killer whale, the beloved 57-year-old orca died Aug. 18 2023, One Ocean One Health Center, The Lummi Nation’s ancestorial connection to Tokitae, torcas were captured in Penn Cove Washington, Miami Seaquarium in Florida, conservation of wild populations, Stephen McCulloch, Alert Diver magazine Q4 2023

Derek Abbey

I started diving while I was in flight school in Pensacola, Florida. One day I thought, “I’m right by the water. I’ll go try it out.” I got certified and found that flying and diving share a lot of similarities.

Project Recover is an official partner of the Defense POW/MIA Accounting Agency.

DAN Podcast Debuts

DAN’S NEW OFFICIAL PODCAST, The DANcast, delivers safety insights through engaging conversations from across the dive industry. This series blends practical knowledge with personal stories to inform and inspire the dive community. 

DAN Studio

It Takes a Village To Raise a Whale

At up to 330,000 pounds (149,685 kilograms) and 110 feet (33.5 meters) long, they are the largest creatures to have ever lived. 

A  70-foot (21-meter) female blue whale skeleton

Public Safety Announcement: When Should I Call My Doctor?

If you notice health changes during or soon after a dive, you should assume that it is related to diving. The most likely culprit is decompression illness (DCI), the likelihood of which increases with the severity of the dive. If DCI is suspected, you should receive first aid surface oxygen and a proper medical evaluation. Even if your condition is not DCI, first aid oxygen may still help and will not worsen your condition.

Member to Member: Sunscreen and Coral

Sunscreen pollution is a serious threat to the world’s coral reefs causing fast degradation. But, divers can combat the effects of this pollution with simple steps.

Dead tissue is shown on a brain coral. The coral looks green-yellow in color

Twenty-Two Ancient Shipwrecks Found in Greece

On Greece’s coast, ancient shipwrecks were found dating back to Roman times. Ancient shipwrecks are a different treasure than simply diving regular shipwrecks.

Artifacts of an old Roman shipwreck

Crown-of-Thorns and Favorable Disturbance

The crown-of-thorns starfish is considered one of the most influential invertebrate predators found on Pacific coral reefs. Read more about why this starfish is so important to reef health.

a pink crown-of-thrones starfish