Photographs show reef shark passing though a shoal in Australia . Images were captured by a groom-to-be ahead of his wedding . They show fish keeping their distance , perhaps proving they are scared . Shoals keep fish safe in large numbers because they confuse predators .
Photographs show reef shark passing though a shoal in Queensland . Images were captured by a groom-to-be ahead of his wedding . They show fish keeping their distance , perhaps proving they are scared . Shoals keep fish safe in large numbers because they confuse predators .