If you've ever forgotten something shortly after learning it, you may have been told you have the "memory of a goldfish" — and it probably wasn't meant as a compliment. The classic idiomatic insult ...

Somewhere along the line, goldfish became the poster child for forgetfulness. You’ve probably heard the joke: they swim around, forget where they are, and start the whole loop again every three ...

A team of researchers at the University of Oxford has found via experimentation that goldfish use markings on the floor below them to measure how far they have traveled. The findings are published in ...