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Sunday, November 16, 2008


The Goldfish is a favorite fish for many. How many of us didn't keep one at one time or another? They are usually very hardy fish and can live in temperatures ranging from 40°F - 90°F (4°C - 32°C). It is important to note that Goldfish have an extremely long lifespan if cared for properly, so getting one can become a long term commitment. Many varieties are available with many different markings, fancy varieties and colors including gold, orange, white and black.

The can sometimes come down with swim bladder disease and occasionally freshwater ich. It's very important to provide your fish with frequent water changes and quality, nutritious fish food.

You can also make life much better for your fish by getting some form of filtration, such as a box or corner filter with a small air pump. These small filters are fairly inexpensive and the filter media can be changed out easily when you do a water change.

To increase your chance of success with goldfish keeping, try not to keep them in a tiny goldfish bowl. A tiny bowl will become polluted quickly and you'll have to perform maintenance all of the time. Instead, get them at least a 10 gallon tank with a filter and heater. Also, if you want to keep multiples, try for a minimum of 10 gallons per goldfish for better long term success with this fish.

Scientific Name : Carassius auratus

Common Names : Calico Veiltail, Comet, Black Moor, Bubble eye, Lionhead, Ranchu, Oranda, Pearl Scale, Ryukin, Panda, Fantail, Shubunkin (calico), Tosakin, Orange Fantail, Black Fantail, Pompon, Celestial, Telescope, etc. There are many different varieties of this fish out there with more being developed.

Care Level : Common varieties are easy and good for the freshwater aquarium fish beginner who is willing to perform the frequent water changes required in smaller setups. Some of the fancy varieties can be slightly more difficult to care for and need more stable water conditions and high quality foods. See the summary above.

Size : Usually 3 to 5 inches (8 - 13 cm), but can get bigger

pH : 6 - 7.5

Temperature : 40°F - 80°F (5°C - 27°C)

Water Hardness : 5° to 20° dH,

Lifespan : 10 - 30 years

Origin / Habitat : China originally, then Japan, Asia and the rest of the world.

Temperament / Behavior : Very peaceful

Breeding Goldfish / Mating / Reproduction : Not very common in home aquariums but you can try. Make sure you are ready to deal with the babies before you start your breeding program. Give them a water temperature between 75°F and 80°F. Get them ready by feeding fish food high in protein and make sure that they have good water quality. When they are ready, they will lay their eggs on vegatation on the bottom of the tank. You will have to remove the adult fish to prevent them from eating the eggs which usually hatch within 7 days. Prepare your fry foods such as infusoria and brine shrimp and have it ready in time to feed the baby goldfish.

Tank Size : Preferrably a 10 gallon or larger and 10 gallons for each additional goldfish if kept in groups.

Compatible Tank Mates : Usually do better when kept with other goldfish. Other potential tank mates include white cloud mountian minnows, platies and a big maybe on the guppy... Watch closely if you introduce different species to your tank and be prepared to remove them if it's not working out.

Disease / Illness : Freshwater Fish Disease - Diagnose, Symptoms and Treatment - Unfortunately, they can be quite susceptible to swimbladder problems due to the various types or varieties that have been produced over the years. Ich or white spot disease and fungus problems are also frequently encountered.

Food / Diet : Will gladly accept most fish foods, including flakes, live and freeze dried varieties. There are foods made specifically for goldfish. They are omnivorous, which means that they will eat foods of plant or animal origin.

Tank Region : All over the tank

Gender : Males may have small white spots called tubercles around their gill areas when ready to spawn. Females may be noticeably larger when swelling with eggs and the males may start to chase the females around the tank.

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