World's Most Intelligent Fish

Introducing the world's most intelligent fish - he can play football, basketball and even limbo dance under a bar.

Comet the goldfish has been trained by his owner to perform the astonishing range of aquatic activities on demand.

And that's not all - watery genius can also play fetch with a hoop, slalom around a series of poles and push a rugby ball over a set of posts.

Catch of the day: Comet's owner used a training technique called positive reinforcement to teach the fish tricks
Nice try: Comet has been trained to push a miniature rugby ball over a set of posts
Swam dunk: Comet prepares to shoot a hoop
Gold ring: Comet's owner adapted training methods previously used on dolphins
Pipe dream: Dr Pomerleau has teamed up with pet product firm R2 to design a special kit to help people train their fish