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Drinking and Diving

20/9/2023

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Drinking and diving
Dehydration and Decompression Sickness
Alcohol consumption can lead to dehydration, a significant risk factor for decompression sickness (DCS). Dehydration can be exacerbated by breathing dry air from scuba tanks, immersion in water, and exposure to cold temperatures. DCS occurs when nitrogen bubbles form in the bloodstream and tissues due to rapid pressure changes, a risk heightened by dehydration. Symptoms of DCS range from joint pain and dizziness to severe neurological issues.
Alcohol may also intensify nitrogen narcosis effects, increasing the likelihood of accidents. Nitrogen narcosis impairs a diver’s cognitive functions and can make one feel euphoric or disoriented, akin to being drunk. When combined with actual alcohol consumption, the effects can be dangerously magnified, leading to poor judgment and slow reaction times.
Boating and Alcohol Risks
If your dive involves boating, there are additional risks to consider. According to the U.S. Coast Guard, alcohol is the fifth-highest contributing factor to boating accidents and the leading cause of fatalities in these incidents. Intoxication combined with inexperience, inattention, or equipment failure can turn an accident fatal. Operating a boat under the influence is illegal and punishable by law in many regions due to these high risks.
Boating while under the influence also impairs balance and coordination, which are crucial for safe maneuvering and responding to emergencies. The effects of wind, sun, and sea motion can intensify alcohol's impact, making it even more dangerous.
Long-term Health Effects
Repeatedly mixing alcohol and diving can have long-term health consequences. Chronic alcohol abuse can lead to liver damage, cardiovascular problems, and neurological issues. For divers, these health problems can severely affect their ability to dive safely. Long-term liver damage can impair the body’s ability to process nitrogen, potentially increasing the risk of decompression sickness.
Drunken effect of alcohol and depth combine: you're losing it...
Drunken effect of alcohol and depth combine: you're losing it...
Stay Safe: Dive First, Drink Later
To ensure your safety and the safety of others, it is crucial to avoid alcohol before and during diving activities. Enjoy your diving experience to the fullest, but remember: mixing alcohol and diving can turn a fun activity into a dangerous one. Save the drinks for after your dives. This approach not only safeguards your health but also enhances the overall diving experience by ensuring you are alert and capable of handling any situation that may arise underwater.
Alternatives to Alcohol
If you’re looking for ways to relax and unwind without compromising your safety, consider alternatives to alcohol. Hydrate well with water or electrolyte drinks, especially after diving, to combat dehydration. Engage in relaxing activities such as yoga, meditation, or gentle stretching to wind down. These activities can help you relax and enjoy your time on the boat or at the beach without the risks associated with alcohol consumption.
Tips for Improving Your Diving Experience
  • Hydration: Drink plenty of water before and after your dive.
  • Rest: Ensure you are well-rested before diving.
  • Nutrition: Eat balanced meals to maintain energy levels.
  • Education: Continuously update your diving skills and knowledge.
  • Buddy System: Always dive with a buddy for added safety.
Fresh fruits give energy and good mood!
Fresh fruits give energy and good mood!
Nothing better than coconut juice!
Nothing better than coconut juice!
More Safety advice for divers
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Triggerfish you can encounter while diving in the Andaman Sea

7/9/2023

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Trigger fish you can encounter while diving in the Andaman Sea
There are many species of trigger fish who belongs to the Balistidae family. They live in shallow water near coral reef except for the oceanic triggerfish (Canthidermis maculata) who's spend his life in the blue.
oceanic triggerfish (Canthidermis maculata)
Oceanic triggerfish (Canthidermis maculata)
Titan Triggerfish (Balistoides viridescens)
Titan Triggerfish (Balistoides viridescens)
The most know, specially for his aggressive behavior against divers, is the Titan Triggerfish (Balistoides viridescens). They are in fact protecting their eggs.

​Female will lay their eggs few days before new and full moon after male and female will perform some prespawnings behavior like blowing and touching, to create their nest on sandy or rocky area. They will blow water to create a hole in the floor where the female will lays his eggs. The male will protect and defend the territory from any species swimming too close, and also from the other male triggerfish. Generally, a male will fecund the eggs of few females within his territory.
The impressive tooth of the titan triggerfish
The impressive tooth of the titan triggerfish
Titan triggerfish are known to attack diver who are swimming to close to their nest
Beautiful titan triggerfish observing us
They are known to attack diver who are swimming too close to their nest, and a common diver mistake would be to escape them by shallowing up. Their territory is in a cone shape from the nest getting bigger while going up. So the good reaction would be to swim away horizontal to get out of their zone quickly, keeping our fins in the direction of the fish to avoid any harm.

Another good way to avoid any attack would be to observe their change of behavior.

​They would rise their dorsal fin first, then lean on one side as a last warning, then finally if we are getting even closer to them, they will swim towards us trying to bite whatever they can catch.
This generally happen only when they are keeping an eye on their eggs...
Clown triggerfish (Balistoides conspicillum)
Clown triggerfish (Balistoides conspicillum)
Picture
The beautiful "body painting" of the clown triggerfish
Another trigger fish we love is the clown triggerfish (Balistoides conspicillum) with its white dots on the lower part of the body and its yellow blotch on the back and the face.
​They are less common than the titan, the redtooth or the yellow margin, but still can be found in the archipelago.
Redtooth triggerfish
Redtooth triggerfish
The redtooth triggerfish (Odonus niger) live specially on our pinnacle and like when there is current.
​They will go and hide in cracks and little cavities to rest. They form school and eat mainly plankton.
Yellowmargin triggerfish (Pseudobalistes flavimarginatus)
Yellowmargin triggerfish (Pseudobalistes flavimarginatus)
The yellowmargin triggerfish (Pseudobalistes flavimarginatus) is also very common in the archipelago. It lives in coral reefs and can grow up to 60 cm.
A titan triggerfish on the blue...
A titan triggerfish on the blue...
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  • When & Where
    • Schedule and Prices
    • Destinations >
      • North Andaman Thailand >
        • Similan Islands
        • Surin Islands >
          • Richelieu Rock
        • The essential Underwater photo Guide to diving Thailand
      • South Andaman Thailand >
        • Phuket & Koh Phi Phi National Parks
        • Koh Lanta National Park
        • Koh Lipe and Tarutao National Park
      • Mergui Archipelago >
        • Liveaboard diving holiday in Myanmar
        • Burma's best dive sites
        • The Ultimate Underwater photo Guide to diving Burma
  • ABOUT
    • Our Boat >
      • Emergency equipments & procedures
      • DELICIOUS FOOD
    • Diving in Thailand in 2025-2026
    • Diving in Myanmar/Burma in 2025-2026
    • Blackwater diving in Thailand and Myannmar
    • Marine life in Thailand's Andaman Sea
    • Marine life in Mergui Archipelago
    • Dive Courses >
      • Learn to Dive
      • Continue diving education
      • Rescue diver
      • Professional Dive Courses
      • Hone your dive skills with a specialty course
      • Photo coaching in Thailand on the Smiling Seahorse
    • Guest Book
    • FAQ
  • Plan your trip
    • Our hotels recommendations
    • Khao Sok National Park
    • Taxi services >
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    • 10 things to do around Ranong
  • PROMO
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    • Special Expeditions >
      • 8D Whale shark expedition - 20 March 2026 - North and South
  • gallery
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