Fishermen were amazed when a calm whale shark swam over to their boat to be stroked on its back.<br /><br />The endangered sea creature floated to the vessel of the coast of Phetchaburi, the western Thailand, on July 8.<br /><br />Thepthai Phupiwmek recorded his colleagues gently pat the whale before it disappeared into the depths off the coast of Cha-am.<br /><br />Thepthai, who is heard talking to a whale, said it has not seen a whale shark before. They believe that touching a whale shark will bring them luck.<br /><br />He says in the video: "Come here my friend, let me touch you a little bit for good luck. It is so great to see you today."<br /><br />Whale sharks, or Rhincodon Typus, are the largest harmless fish in the world and grow up to 40ft long.<br /><br />They are classified as 'endangered' on the International Union for Conservation of Nature (IUCN) Red List of Threatened Species.
