THE OFFICIAL MAGAZINE OF DIVERS ALERT NETWORK

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Imran Ahmad

Text by Stephen Frink; Photos and Captions by Imran Ahmad

Q3 2025

The sea enthralled lmran Ahmad from a very early age. Growing up in Singapore, young lmran never missed an opportuniry to go fishing with his father, a police officer, on their boat off the coast.

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Once in a Lifetime

Text and photo by Bruce Shafer

Q3 2025

Like many octopuses, the female greater blue-ringed octopus (Hapalochlaena lunulata) is a semelparous animal, which means she reproduces once and then dies. After she lays a clutch of eggs, she quits eating and wastes away while protecting her eggs, dying shortly after her eggs hatch.

Diver Recall Systems

By Kyle Kray

Q3 2025

Whether for recreation, research, or commercial work, diving puts humans in a fundamentally hazardous environment. Visibility, pressure effects, and sound distortion limit communication between divers and surface teams, making real-time coordination difficult. Response time is critical in emergencies, and delays can be dangerous.

Exercise and Decompression Risk

By Neal W. Pollock, PhD

Q3 2025

Being physically fit can be important, and sometimes crucial, for dive safety. Physical fitness plays a role in both regular dive activities and emergent events. A quick and effective response to sudden demands can often quickly and easily resolve a situation, while an insufficient response can prolong or exacerbate it.

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