Fish can do maths – just like humans, according to new research

FISH can do maths, scientists have found. It was thought they might flounder in arithmetic tests — but they showed they could quickly work trout sums between one and five. Fish can do maths, scientists have found They were first trained to recognise that yellow symbols represented adding by one and blues symbols meant subtracting by one. For example, if they were shown three blue shapes they would find a treat by adding one to three and swimming through a gate displaying four shapes. They were right between 69 and 94 per cent of the time. Maths ability has already been found in gorillas, monkeys, dolphins, elephants, birds, salamanders — and even bees and spiders. Read more on science YOU'VE POOLED! Dolphins 'use wingmen to find partners' with most popular getting more sex 'SPINE-CHILLING' Giant flying reptile that dominated skies 170m years ago found in Scotland The latest tests were carried out on freshwater sting rays at the University of Bonn, in Germany. Dr Vera Schluessel told journal Scientific Reports: “It could help them recognise individual fish by counting their stripes or spots.” Next lesson — the decimal plaice? Most read in The Sun ROCKED HIS WORLD Chris Rock breaks down in tears on stage in 1st show since Will Smith slap 'Gonna live forever' Tom Parker chose to play Oasis hit Live Forever as he passed away STRICTLY CAM DANCING Strictly's Aljaz 'replaced' by Cameron Lombard - show's youngest pro TRAGIC TOM The Wanted's Tom Parker was doing ‘really well’ but ‘deteriorated’ after tour 'OUR HEARTS ARE BROKEN' The Wanted's Tom Parker dies at 33 after tragic brain cancer battle heartbreaking This Morning fans in tears as sobbing caller apologises for 'being disabled'