FEATURES
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Mouthing Off:
Examining the Form and
Function of Fish Mouths
As divers we all appreciate the diversity of marine life found on the reef. To understand how all that diversity occurred, it helps to know something about the anatomy of your favorite fish, how it uses what it's got, and why all those different shapes work. Eventually, scientists think that may even help us learn a bit more about the history of coral reefs themselves, which means, when it comes to fish mouths, there's a lot to take in.
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By Greg Laslo
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| 30 |
Identify and Avoid, or Deal With It:
Scuba Diving and the Worst-Case Scenario
Despite our best-laid dive plans, things can go awry, and for a variety of reasons. This article takes a look at some of the most challenging situations a diver can encounter. For each one, the author defines the scenario, identifies the risk factors, examines the likely causes and suggests strategies for avoidance.
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By Robert N. Rossier
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| 42 |
Oxtox and Diving:
When Oxygen Can Be a Bad Thing
At the right depth any gas mixture containing any percentage of oxygen can become toxic. The author explains oxygen toxicity as it relates to diving and reminds us that a basic understanding of physics and adherence to safe diving practices are all we need to avoid the risk of oxtox.
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By Alex Brylske
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