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Alert Diver Issue: Q1 2016

A Different Light

February 1, 2016  Andy and Allison Sallmon

LED lighting can be used successfully for underwater still photography thanks to advancements in technology. Learn how to harness the power of LED lighting for great images.

Purple spanish shawl nudibranch

A Perfect Storm of Warm

February 1, 2016  Allison Vitsky Sallmon, DVM

Thanks to warming ocean temperatures, animal encounters have changed and increased. Read about the unique sea creatures divers are interacting with.

Magnificent hammerhead shark says hello to photographer

Do You Know What You’re Breathing

February 1, 2016  Michael Menduno

A rebreather diver respires an artificial atmosphere that changes dynamically with depth over the course of a dive.

A rebreather diver poses in a cave and wears a blue and black wetsuit