article_snippet.sent: Now fascinating images reveal how fish make a collective effort to stay out of the way of sharks.
article_snippet.sent: The striking photographs show a shoal of fish making way for reef shark passing swimming in the shallow waters of Heron Island in Queensland, Australia.
article_snippet.sent: Incredible images show a shoal of fish making way for a blacktip shark (pictured), perhaps proving that they are instinctively frightened of it .
article_snippet.sent: it is thought that the reef shark was not interested in catching a meal, but the fish naturally keep the fish distance, creating circles of clear water around the predator.
article_snippet.sent: Dr Ken Collins, Senior Research Fellow and Diving Officer at the University of Southampton, told MailOnline: 'This is fairly typical behaviour for shoaling fish, the same would happen if This were a diver in the photograph rather than a shark. '
article_snippet.sent: It’s known that shoals of fish can change shapes and directions in seconds - as if they are thinking as one - and in these images, the fish manage to keep a pocket of clear water between they and the shark, even the pocket does change shape.
article_snippet.sent: photos show a shark swimming in the shallow waters, where photos are guaranteed a clear path because ‘terrified’ fish move out of photos way .
article_snippet.sent: There were four blacktip reef sharks circling an area for predators and there was one other type of shark - a lemon shark,’ his said.
article_snippet.sent: We walked along the jetty looking down at a large school of fish just beneath the jetty.
article_snippet.sent: We noticed a number of reef sharks patrolling the area near the jetty and as We watched four blacktip reef sharks circling the area slowly moved into the school of fish, with fish retreating away from the immediate area around shark -.
article_snippet.sent: This progressed for about 15 to 20 minutes and a lemon shark joined in on the action late in the piece.
article_snippet.sent: He noted that the sharks were ‘remarkably calm’ when moving though fish.
article_snippet.sent: There was an occasional swift manoeuvre to attempt to catch a fish and the sharks were successful in some of these attempts.
article_snippet.sent: He added: ‘Watching the continuous parting of the school of fish as each shark moved through the mass of fish was absolutely spectacular!’
article_snippet.sent: This behaviour isn’t common in sharks, but dolphins have been shown to surround and herd fish as a group, while individuals take it in turns to swim through a shoal, eating unlucky members.
article_snippet.sent: Corralling is a method where fish are chased to shallow water where fish are more easily captured and Atlantic bottlenose dolphins even chase fish onto mud banks for an easy meal.
article_snippet.sent: In the shark world, Thresher sharks use Thresher sharks long tails to stun shoaling fish.
article_snippet.sent: Before striking striking confine lots of fish in a small space by swimming round lots of fish, and then splash then strike lots of fish with the upper lobe of the tail to stun lots of fish.
highlights_snippet.sent: Photographs show reef shark passing though a shoal in Queensland .
  
highlights_snippet.sent: They show fish keeping