<p>A six-metre</a> whale shark surprised a Queensland National Parks ranger conducting reef surveys off the Townsville coast.</p><p>This video, posted to Facebook on November 22, shows the shark encounter.</p><p>The shark, able to grow to 12 metres in length</a>, is a plankton feeder and poses no risk to the ranger. Credit: Queensland National Parks via Storyful</p><br />
