Mesmerising footage of a lion's mane jellyfish swimming in the Gulf of Thailand.<br /><br />The video, shot by underwater photographer Lara Dakers on August 9, shows the majestic jellyfish swirling in the water. <br /><br />"I was able to spend a good 20 minutes while it swirled around unfurling its far reaching tentacles," Dakers wrote online.
