Goldfish (Carassium aruatus) are often the first type of fish that people will buy as pets. They are very easy to care for and are graceful to watch; especially the varieties with the longer fins and tails.
Originating in China where goldfish cultivation is still a very popular activity, the spectrum of novel goldfish types has expanded considerably as a result of intensive breeding programs. Over a hundred varieties provide the purchaser with a spectrum of choice ranging from the simple comet-type fish that you commonly find in the local pet store that might sell for a few dollars, to rare varieties that have elaborate coloring and fins that can cost many hundreds of dollars!
These fish can be very long-lived if fed and “housed” appropriately. Taking time to set up a top-notch aquarium is a bit of an investment up-front, but will help the fish potentially enjoy a full lifespan, which can easily top 10 years.
Aquariums
The goldfish is considered a very hardy species and is tolerant of temperature changes, but it...