A few (trevally-centric) snippets from the 14/12/17 to 18/12/17 cruise on Big Blue’s MV Hallelujah in the Similan Islands, Koh Bon, Koh Tachai and Richelieu Rock.
Khao Lak, Thailand

Living Blue
2025 Recap: Big Blue Diving Khao Lak × Andaman Turtle Watch
As 2025 comes to a close, we reflect on an extraordinary year of collaboration between Big Blue and Andaman Turtle Watch. From leading the region in citizen science submissions to launching the Andaman Sea’s first public sea turtle photo-ID database, this partnership shows what’s possible when conservation is embedded into everyday diving. The data, the discoveries, and the turtles tell a powerful story – and this is only the beginning.







