They are hardy and can survive in aquariums or ponds, even with poor water quality, and can withstand temperatures from below freezing to greater than 90˚F. Their scales are metallic and can be orange, red, yellow, black, white, grey, silver, and almost any combination of these colors. Common goldfish on average live 10-15 years but can live greater than 20 years and reach sizes of 12-14 inches. They tend to be inexpensive and are often sold as “feeder fish” for predatory fish. Common Goldfish Image Credit: LoggaWiggler, PixabayĬommon goldfish have a slim body and single tail and lack any special accouterments. The 6 Types of Hardy, Single-finned Goldfish 1. Now let’s explore 29 different types of goldfish. First, we will discuss the single-finned, common goldfish, and then we will go into the types of fancy goldfish. While goldfish are intelligent and social, their diversity means it’s important to make sure you choose the right goldfish for your lifestyle and fish-keeping skills. They were one of the first fish bred in captivity over 1,000 years ago and through extensive selective breeding, over 200 varieties of goldfish have been created. What you may not know is that goldfish come in a whole host of colors, patterns, sizes, and body shapes. Maybe you’re even picturing one of the long-finned, fancy-looking goldfish you’ve seen in the pet store.
Stick to the basic rectangular design.What is the first thing you think of when you hear the word “goldfish”? You’re probably picturing the type of goldfish you’ve seen as a prize at the fair or that you had as a child in a fishbowl on your dresser. There are a number of interestingly shaped aquariums that may be tempting, but none of them are a good fit for goldfish.
A tall deep tank like the one shown in the picture is not suitable for goldfish and could be very stressful to the fish. A long shallow tank is very well suited for goldfish. Goldfish swim from side to side, not up and down. The shape of the aquarium is very important. Goldfish will produce a massive amount of waste as mentioned earlier that may kill your other fish. However, if you want a big community tank then, goldfish are not for you. The less of the hormone there is in the water, or the bigger the tank, the faster and larger your fish will grow.įancy goldfish will be fine with other fancy goldfish. This is why goldfish in bowls never grow and only live for a few months. Goldfish naturally produce a hormone that will signal the fish to stop growing if it begins to build up in the water. A serious mistake made by beginners is believing that just 1 more fish won't effect the tank, only to find sick or dead fish. That said, these are the minimum and people typically have healthier or longer lived fish when they are provided with even larger tanks. However, some varieties like orandas can grow larger and will require a minimum of 20-30 gallons per a fish. Most varieties of fancy goldfish will require 10-20 gallons per a fish, preferably 20 gallons per a fish. The minimum tank size for fancy goldfish varieties is at least 20 Gallons or about 75 liters, anything smaller could lead to unstable water conditions unless the water is changed daily. Please educate yourself on the nitrogen cycle before reading the rest of this article. The one thing that all successful goldfish keepers agree on is that the larger the tank, the healthier your fish will be. Essentially, a tank that is too small could poison the fish and cause the fish to become sick or even die. This means that goldfish need a very large amount of water to dilute their own waste or it will build up to toxic levels in the tank. However, fancy goldfish produce almost ten times the amount of waste similar sized fish do. Fancy goldfish, or twin tailed varieties, do not grow to be nearly as large as their single tailed varieties and make much better pets.
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