... the fan tails get over a foot long and cant be ing a tank smaller than a 55 gallon just for 1 fan tail goldfish. A year would be okay and then a bigger tank such as 20 gallon size would be ideal. Each of the 4 fish is about 2 inches long at this point, but I know they will keep growing. 1 decade ago. That’s because the smallest tank size that you should keep a goldfish in is a 20 gallon tank. How many goldfish can live in a 20 gallon tank? I say 2 in the 20, and 1 in the ten, but it will outgrow it. A 10-gallon aquarium will be a fine starter size tank for two to four small goldfish, but the goldfish will not reach their proper adult size unless they are placed in a larger aquarium. The oldest goldfish that ever lived was 43 years old! But, I’ve got 6 in a 100 gallon. This is a common trait of many fancy Goldfish varieties, but it makes them slow swimmers. If a 30L tank is the only option, it’s just about big enough to keep a single betta (also known as a Siamese fighting fish). How many Guppies in a 15-gallon tank? Unless you get a 30 gallon tank you won't be able to properly house a goldfish for very long. His name is Boris and he was recently transferred from a 20 litre tank that was sitting in my bedroom. Hello! My parents realized I wanted to get him a new tank because it was too small to start with (not that I knew 6 months ago) so they got me a new tank for my birthday. Depends on how much filtration you’ve got and how many water changes you’re going to do at what % per week. In a 20 gallon tank, you can only have one fancy goldfish (and the common kinds need 55 gallons). A 20-gallon aquarium offers many stocking options beyond a 10-gallon; however, they do have their limitations. If possible you may want to find a larger tank up to 30-40 gallon in order to safely add more fish. The answer is, pretty good if you don't get a full grown one. I can take care of filtration heating and feeding easily. 1. I heard that you should have only one fish per gallon, so theoretically I would be able to have 20 smaller fish. How many Platies in a 15-gallon tank? But I don't have the feeling it is overstocked. If they are smaller in size, you can keep them in there just fine but you will eventually need to size your tank up. 13 Respostas. Goldfish Aquarium Tanks. Then, squeegee the algae off the tank walls and run the vacuum along the gravel bottom to suck up loose debris. Responder Salvar. You could probably keep 3-6 goldfish in a 60 gallon fish tank. This guideline works best for small community fish like tetras, rainbowfish, platies, etc. How many goldfish in a 20 gallon high? so dont get them. The common Comet goldfish grows to well over a foot long. The answer: 0. How many Neon Tetras in a 15-gallon tank? How many Goldfish in a 15-gallon tank? The best way to keep a goldfish that you can showcase or simply sit and enjoy for hours, is by placing it into an aquarium. The rule of thumb is 1 gallon of water per inch of fish. Fishfinatic. They definitely need a lot of space. The larger the tank also means less chances of changing parameter of water. Some fish hobbyists believe you should have a 20-gallon tank for one fancy goldfish, and 10 gallons per each one you add to the aquarium. What breeds do You Recommend? Question #5 Can Goldfish live in a 20 gallon tank? I learned 20 gallons PER fish. Do research on the fish you want to determine what size tank … How many Cichlids in a tank? I started with about 20 shrimp I believe (1.5 year ago). They're always spread out over the tank or swimming around. You’ll notice that out of all the fish I listed above, the Goldfish was not one of them. Apr 20, 2014. But unfortunately you can only keep these guys in that tank on a short term basis. I have 4 comet goldfish in a 24 gallon tank (about 20 gallons of water, since some is displaced from decorations). Currently I have two comets who live in a 10 gallon tank. However, this is not always true. It's even a little on the small side for that. It will shorten their life span. A betta is another good choice as long as you get a heater. I wanna get only 3. Adjust the number of fish to the size of the tank to keep everybody happy, including you. You could fill it up with 1000 feeder sized Goldfish, Rosies, and Guppies and they will never get any bigger. Goldfish are beautiful creatures but a 5-gallon tank is too small. You can have about 2 small 1 inch fancy goldfish (orandas, ryukins, fantails, lionheads, bubble eyes). Ok, the minimum space for fancy goldfish is 10 gallons PER fish, but if 1 is put in a 10 gallon tank, it will outgrow it. How Many Goldfish can fit in a 15 gallon tank? Fantails get VERY large and are produce much waste. The less Goldfish you put in it the larger they will get, the more you put it the smaller they will stay. It’s certainly not enough for common goldfish and other slim-bodied goldfish (e.g. I do know that the minimum tank size is 20 gallons per goldie but I was hoping to squeeze another in. with goldfish, the typical rule is 20 gallons per fish, as a starter. ceci9293. I have a 20 gallon tank with a filter and thermometer; quite prepared for some fish. How Many Goldfish in a 60g Aquarium. I know lots about care about this fish but I was thinking about putting 2 into the 20 gallon? If you want big fish or lots and lots of fish, you are probably better off upgrading to a 55-gallon tank or larger. He always said that you do 20 gallons for one goldfish and another 10 for each goldfish after that so at a minimum you will want to have 3 in a 40-gallon tank. Since I am the first to see the question, I will break the news. Well I don't really understand what your question is but i am guessing that you mean how WELL goldfish do in a 5 gallon tank. Goldfish, no matter how small when bought, can get up to 2 ft long, but can live happily in a 20 gal with heavy filtration. Pure Goldfish has been featured in Wikihow, Wikipedia, The Aquarium Guide and more. Good fish combinations for a 15-gallon tank? Answer Save. A ten inch fish cannot live in a ten gallon tank. The smallest goldfish easily reach 6 inches long, and on average they are even bigger. « Reply #10 on: November 19, 2009, 02:57:58 PM » i have a 3o gal tank with 8 goldfish all fancy tailed of different sizes from 1 inch to about 4 inches. 10 Answers. Larger fish will obviously require a bigger tank, and many smaller fish are either very active or live in schools, and these will also require a larger tank. To clean a goldfish tank, start by moving the goldfish to a temporary tank. The generally accepted rule for fancy goldfish is 20 gallons for the first and 10 gallons for each additional. get another fish . Shrimp are a nice option and I personally like snails as well, although the ones in my 10 gallon are currently driving me insane. Relevance. Re: How many goldfish to a 20 gal tank? Now I probably have close to 100. A common rule is the, one inch of fish per gallon of water rule. Fish Not to Have in a 5 Gallon Tank. in a cold-water tank, the temperature should be a little lower than 70 degrees. Next, power down the filter, pump, and other tank equipment and use an aquarium vacuum to drain 30-50% of the tank's water into a bucket. A tank like this is a much better option than a bowl for so many … I'm new to the forum, so please forgive me if I make some mistakes or haven't updated my information properly. Everybody sees the rules differently. shubunkins and ryukins). And that is only in reference to round-bodied goldfish, the long-bodied pond type goldfish need much larger, a school of six should have at least 125 gallons. At the moment my 65 litre (or close to 20 gallon) tank has one fan tailed goldfish in it. With a 10 gallon tank, stick to what you already have. Lv 5. An avid goldfish breeder and keeper for nearly 20 years, Meredith Clawson is the founder of the Pure Goldfish website and author of the book The Truth About Goldfish. Because of the overstocking, ammonia built up and poisoned them - they didn't kill each other. Goldfish are big waste producers and water quality can quickly reach a danger zone in a 5 gallon tank. A 45 litre (10 gallon) tank might seem big enough to accommodate more than one goldfish, but in realty, one goldfish per 45 litre (10 gallons) of water is the most healthy environment for the fish. Me, personally, I would only put 20 to 30 or less of them in that size tank. So this really puts the minimum tank size for goldfish at 75 gallons. But DO NOT put in common or comet goldfish! In which case, if you intend to maintain a goldfish in the starting tank all its life, a … I myself have 14 Glofish, two algae eaters, and two snails in a 75 gallon along with decor. Only one can go in there with 30 gallons every additional fish. Goldfish. That said, that would be the smallest, and I wouldn’t recommend doing the minimum. Common Goldfish can grow up to 8 inches and above and need room to swim. A 20-gallon fish tank makes a nice display, but watch out for overcrowding. You could fit one if you really stayed on top of the water quality. 72 degrees is the absolute minimum for a tropical tank, but 75-80 is more ideal and will ensure a longer life. I was hoping to get larger goldfish and mix them with smaller ones like the Panda Moor or Fantails. Too many fish for the space can cause dirty water and will lead to sick, stressed-out fish. The recommended 20-gallon tanks for fancy goldfish and 30-gallon for a single common goldfish is a good estimate, but only to the extent, your fish won’t reach maximum length inside this tank. I've got a 30 litre (8 gallon) tank with only cherry shrimp. Member. I have two goldfish right now that are cramped in their small tank (goldfish bowl, didn't expect them to last more than a week so didn't see the point in investing in a big tank, but now six months later...) I'm going to buy a new one, and mabey add some more goldfish (once it's set up and ready) if that's okay. Feeders are comet goldfish. Sorry to say, but a goldfish really isn't an option. They get a foot long and need 50 gallons for every 2 fish! Favourite answer.