Dr Dean Pomerleau has managed to teach his two year old goldfish Comet to play football, basketball, push a rugby ball over a set of posts, play fetch with a hoop, limbo dance under a bar, and zigzag through a series of poles.
Dr Dean Pomerleau used positive reinforcement to teach the fish. Positive reinforcement has since long been used to train dolphins and other marine mammals. “With the correct tools and the basic promise of a food reward, fish can very quickly learn complex tricks – like the limbo, zigzag or playing fetch” says the fish trainer to The Sun.
You can read the whole story in Jenny Eagle’s article in The Sun.
http://www.thesun.co.uk/sol/homepage/news/article1126255.ece