Clown coris (Coris aygula) hunting for prey on a sea grass bed. This fish feeds on hard- shelled invertebrates such as shelled molluscs, crustaceans and sea urchins. It can reach a length of around 70 centimetres. It displays marked colour variations depending on its age and sex. it is found throughout the tropical Indo-Pacific region, from east Africa to the Pacific islands. Photographed in the Egyptian Red Sea.