Goldfish are great pets for the young and old alike.
These freshwater fish are relatively easy to care for, and can give you many years of enjoyment, if cared for correctly. The goldfish is one of the most commonly kept aquarium fish, as it is a peaceful, schooling fish, and gets along well with other fish. Unlike tropical fish, goldfish will live in a wide range of water temperatures.
There are over 100 types of goldfish. Some have one tail, while others have two. They come in a variety of striking colors, and can have fascinating features. Goldfish have strong associative learning abilities, as well as social learning skills. You may notice your goldfish react favorably to you, while hiding when other people approach the tank, as their visual acuity allows them to distinguish between individual humans. Over time, goldfish learn to associate their owners and other humans with food, and may begin “begging” for food when approached.
As goldfish have a memory-span of at least three months, they can distinguish between shapes, colors, and sounds. In fact, with positive reinforcement, you may train your goldfish to recognize and react to light signals of different colors, or perform tricks.
As goldfish are small, inexpensive, and colorful, they can easily survive in an outdoor pond or water garden, indoors in an aquarium, and they may even survive for brief periods if ice forms on the surface of their habitats, as long as there is enough oxygen remaining in the water, and the water does not freeze solid. Their ability to survive in different types of habitats and to get along with other fish make them ideal pets.
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