Goldfish facts

• The goldfish is a small carp with golden or silver scales. 
• The goldfish comes originally from China, where the practice prevails among wealthy people of keeping them in basins in their homes.
• Goldfishes are hardy. They withstand changes of temperature and do not require frequent changes of water, especially if an aquatic plant or two be placed in the fountain. 
• Goldfishes are thought to show affection for each other, something not generally observed among fishes. 
• The bright golden colors of the most prized varieties have been developed, it is said, from dull colored ancestors, just as improved live stock has been bred from the original wild animals.