<p>Dean Cropp was swimming off the coast of Sydney when he spotted a large number of dolphins on Monday, November 13, recording the brief moment he swam among them, as if one of the pod.</p><p>“So many common dolphins playing off Sydney today. Having as much fun cruising along in this calm weather as we are,” Cropp said in a post to Instagram. Credit: Instagram/Dean Cropp via Storyful</p><br />