The common goldfish has to be one of the most commonly kept species of fish of all time. The goldfish is a very hardy species and can adapt to a wide range of water parameters. All too often though they are kept in bowls or small tanks that are simply inadequate for their long term survival and these small bowls provide for a very poor quality of life.
To provide a better quality of life for your goldfish consider keeping them in a 20 gallon tank or larger and add 10 gallons to that for each additional goldfish. Don't trust your local pet store employee to provide accurate information. Many times these are just local high school kids or college kids working for gas money. Do your own research on any fish, plant, coral or invert before you purchase them.
Give them a filter that is rated for twice your tank volume. In other words, if you have a hang on type power filter and you have a 20 gallon aquarium for your goldfish, get a power filter rated for 40 gallons or larger. Goldfish eat frequently and get kind of messy so an over-rated filter is a must.
Provide frequent partial water changes on a regular basis. Try to change out 20 percent of their water every week or every couple of days. If you dread having to do water changes look into getting a python aquarium vacuum or a lee's aquarium vacuum. These vacuums are just hoses with an attachment that hooks up to your faucet and makes doing water changes a breeze.
Give your goldfish several small feedings every day. A varied diet is optimal and there are even fish foods made specifically for goldfish. Use them.
Learn about the aquarium nitrogen cycle. This cycle is extremely important for new hobbyists to understand if they want to keep their fish alive for any amount of time. Often times new hobbyists will go out and buy a tank and the fish at the same time. All is well for a couple of days but then their fish start to die... this is primarily due to ammonia poisoning in an un-cycled tank. Learn about the aquarium nitrogen cycle before you buy your first fish to prevent any unnecessary fish deaths and heartache.
Consider joining an online fish forum where you can increase your knowledge with keeping goldfish. There are lots of forums online (Fish Lore has one as well) and you can make really good online friends easily since these are folks that you share in interest with already. They can help get you through your trials and errors while on your aquarium keeping journey.
Fish Lore provides aquarium fish information to freshwater and saltwater aquarium keepers. We have an active, fun and family friendly forum.
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