In the Guinness Book of Records, the oldest living goldfish lived for 43 years.
In the United States, goldfish are actually the most common household pet.
Goldfish can easily survive without food for a couple of weeks in the pond.
Pet goldfish can distinguish between humans and can recognize the human that regularly feeds them.
There are more than 300 different types of goldfish around the world.
Goldfish will gradually lose their color and eventually turn white if they are kept in a dark room