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Blog about diving in Burma and Thailand

25th to 28th February: a busy weekend on Richelieu Rock

5/3/2021

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Richelieu Rock was fantastic but so busy!

trip reports from surin and similan cruise in february 2021
We had the pleasure to welcome once more a bunch of lovely british expats from Bangkok and Hua Hin onboard MV Smiling Seahorse. The 26th of February was Makha Bucha, a public holidays and the second most important Buddhist festival, celebrated on the full moon day of the third lunar month in Thailand. Because of this it seems like all divers in Thailand congregated to Surin and Similan National Park to celebrate together! And we found ourself in the middle of 12 liveaboard in Richelieu Rock.
This didn't stop us from having a fantastic time and conditions where stunning with a sea as flat as a lake, visibility of 30 meters and an abundance of sealife!
two divers holding hands in front of the fishy coral reef
fishy dive
We started in the North of Surin islands National park at Koh chi where we saw again a guitar shark on the sandy bottom. Once more it passed in front of mesmerised divers but away from the cameras! We also spotted a sleeping white tip and all of this only on the very first dive... great way to get back into diving!
giant seafan and barracuda school
angelfish pair in thailand with blue line and yellow lips
We started the second day on Koh Bon pinnacle at slack time with no current and Franck spotted there 3 of the biggest giant barracudas he has ever seen. They came towards him and opened their giant mouth full of needle like teeth. A bit scary, but also thrilling! (once more no camera, damn!)
small fish in green grass
school of snappers
This week was also a full moon week so we had some current when the tide was going up and down, which attracted so much life closer to the reef for a giant hunt!
full moon in the similan national park
clownfish in anemone thailand
Koh Tachai pinnacle in the afternoon was even more fishy with a tornado of trevallis: blue fins, giant, golden and bigeye trevalli swirling in front of us in deep blue water! Wow! 
bluefin trevallis in Koh Tachai
giant seafan in thailand with a scubadiver
The friendly Batfish were still here and came to say hello and we found a red reef rose: the eggs of a Spanish dancer nudibranch which lay hundreds of thousands of tiny eggs all stuck together in a soft, gelatinous material in circular rows giving it the appearance of rose petals. If you look close you can see each small eggs!
school of batfish Thailand
school of batfish Thailand
Reef rose in Thailand, Spanish dancer eggs
Reef rose in Thailand, Spanish dancer eggs
To continue, in the sea slug family, we saw many false-cowries this week: Ovulids are a type of seashells with colourful ornamental patterns on mantles they can stretch over their shells to cover it in incredible colours, some of them really look like aliens! 
pink ovulid thailand
red ovulid surin
tiger egg cowrie in Richelieu rock, surin, thailand
We did 4 dives at Richelieu Rock and didn't get bored of it! 4 harlequin shrimps, 2 ghost pipe fish, a tornado of trevallis and more schooling baracudas kept us entertained!
Portrait of a squirrel fish in Surin national park
ornate ghost pipe fish richelieu rock
The sea was so flat that we slept and partied on top of Richelieu Rock with no one remaining to enjoy our music! 
Thanks to all participants for the awesome time we had with you and we hope to see you again very soon!
A big congratulation to 3 new Nitrox divers: Sam, Christine and Gregor!

Keep tuned for more fishy stories and join us to be a part of one of them! 
If you are looking for a special cruise, we are running Thailand's first Manta and Whale Shark expedition in collaboration with 2 local marine biologists specialized in these gentle giants!
​Book now!
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Thank you so much for your lovely reviews! 

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Camille Rovillain

Camille's love for travel and diving began in her mid-twenties, taking her across oceans and continents before she finally settled in Thailand. In 2012, she co-founded The Smiling Seahorse, driven by a desire to explore and share some of Southeast Asia’s most remote and unexplored dive destinations.
A proud mother of two, Camille still hops onboard The Smiling Seahorse every month. Passionate about macro life, she delights in guiding fellow enthusiasts on unforgettable dives across the Andaman Sea — from Myanmar’s Mergui Archipelago all the way to Thailand’s Malaysian border.

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    The Smiling Seahorse Diving Blog

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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 2026-2027
    • Diving in Myanmar/Burma in 2026-2027
    • 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 >
      • Taxi services to and from Ranong
      • Taxi services to and from Phuket
      • Taxi services to Tap Lamu and Khao Lak
    • 10 things to do around Ranong
  • PROMO
    • HOT DEALS
    • * Special Expeditions >
      • 8D Mergui + Blackwater - 22nd Nov 2026 - BURMA
      • 2028- 8D Mergui + Blackwater - 12th Feb 2028
  • gallery
    • Photos
    • Videos
  • CONTACT
  • BLOG
    • Most popular posts