The "deepest ever" living fish have been discovered, scientists believe. A UK-Japan team found the 17-strong shoal at depths of 7.7km (4.8 miles) in the Japan Trench in the Pacific - and captured the deep sea animals on film. The scientists have been using remote-operated landers designed to withstand immense pressures to comb the world's deepest depths for marine life. Monty Priede from the Unive