Fish have been here for more than 450 million years, even before the dinosaurs started to roam around. Some fish can swim backwards. Goldfish originated in China but are now all over the world. The lifespan of a goldfish in ideal conditions can be up to 20 years.
The following picture quiz looks at freshwater fish specifically - those fish that live in rivers and lakes. If you have a fish pond in your garden, you may do rather well in this quiz! If you wish to get a closer look at the fish, just click on the image to enlarge it. Good luck!