Another common question we see is ‘how many goldfish in a 30 litre biorb tank?’, well the answer is none, the 30L biorb is way too small for Goldfish, they require much more space in order to be happy and healthy. Hey, my long career as a geek fishkeeper started with two goldfish in an unfiltered 25 litre tank (in my defence, I was only 6), it's how everyone starts! S. sammy5 New Member. Subsequently found out ... 9/5/2015 16:30; From Surrey; Group: Registered Users Basic Membership Posts: 16 Posted on: 9/5/2015 16:56; 28 litre tank with goldfish in - on the advice of shop. What NOT to do. Step 2 - Enter the Internal measurements of your aquarium in centimetres into the corresponding blank boxes provided as per the illustration. A 30l tank is too small for even a single goldfish. Select Rectangular, Cube, Corner, Cylinder or Half Cylinder then click the "Update" button. how many fancy goldfish can live in a 30 gal tank? Please note: this rule-of-thumb assumes satisfactory filtration and … Someone I knew since I was in my teens was a fish fanatic. 1 decade ago. Thread starter sammy5; Start date Feb 12, 2009; click to enter! If 25 liters is a little over 6 gallons, keeping a goldfish in there could become problematic over time. I have two orandas and a black moor (all still young, about 1-2inches each) in a 10 gallon tank. could I have anything else in with them? If you are dead set on getting a smaller tank, you can forget goldfish … 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. Black moor goldfish or black telescope goldfish can grow as long as ten inches in length and live as long as twenty-five years under the right circumstances. I was given 2 goldfish as a present a couple of months ago in a fish bowl and after a little research I realised that this was vastly inadequate for them. When looking at tanks for your fish you should take these things into consideration, especially the length. Add a heater and this tank is perfect for a single fighting fish, or a couple of guppies, or killifish or shrimp. I plan on upgrading to a 29 gallon tank in a few weeks and adding some more fish. Subsequently, question is, how many fish can I keep in a 30 Litre tank? The smaller the tank, the more unstable it can be. Take the fish back? I agree that you can keep fish in a 30 litre tank because I do and they are healthy and happy and . The tank should be fitted with a filter in order to keep the water clean and the fish in rude health. I have one goldfish in my 15 litre tank but would really love to get a few more, but I was told that only 1-2 will fit in it? Another consideration is water quality. With a mature tank, good water quality and regular maintenance you could keep a community of 20 tiny nano fish in a 30 litre BiOrb, or 15 fish the size of a Zebra danio. Any opinions would be greatly appreciated. Frisbee. Decent tank and a decent filter, however it is completely unsuitable for goldfish, they will outgrow it within months. and has 2 small gold fish . Small 5cm goldfish grow into large 30cm goldfish. How many goldfish will survive in a 15 litre tank? Feb 12, 2009 #1 I have 2 6 inch ordinary goldfish in a 64 litre tank. Hi,I've just put two fantails into a 28 litre tank following advice from my local aquatics shop. How many, if any, more fish can I safely add to this tank? Even the smallest variety of goldfish will require a minimum of 80 litres once it is fully grown, they do not "grow to the size of their tank". If you want my advice to keep things simple, I suggest that as a starter you buy a 120-150 litre (30-40 gallon) tank for two young fancy goldfish. Both these techniques work out about the same in terms of water/fish, but you use them at different times. How Many Goldfish In 64 Litre Tank. For fancy goldfish, the general stocking rule of thumb is 10-20 gallons for each fish. Never completely empty the tank out UNLESS it is absolutely necessary. They will need a very very large tank or ideally a pond. The first: Allow 2-3 kg of fish per 100 liters of water. Thus you can put two fancy goldfish in at least a 30-gallon tank. my brother's son has a 28 liter tank . These can be just about anything and will depend on the size of your tank, how many fish you have, what else is in the tank, the location of the tank in your home or business, and the ease of access to the tank. Even goldfish grow big as you know they can live in a pond. Typically in a 30 liter tank one fancy goldfish may be too much for the tank system. Joined Jan 30, 2009 Messages 2 Reaction score 0. If you want to add fish of other breeds, you have to calculate their size in addition to the goldfish. Personally I wouldn't keep any fancy goldfish in a tank less than 25 gallons (approx 114 litres) to allow for enough swimming room. and he said yes of course but when they get bigger you can buy a new tank or give it back and get new fish for free . Obviously two 30 cm fish would produce a massive amount of waste in comparison to twenty fish 3cm long, so here we see the limitations of this method. If they are smaller in size, you can keep them in there just fine but you will eventually need to size your tank up. Hi there, I'm pretty new to fish keeping so please forgive me if my question is a little silly. I have to say i agree with the others, a 10litre tank is no place for goldfish, comet goldfish alone can grow to over 15inches long. I believe that like many things in life, it's the totality of the circumstances rather than a line-in-the-sand, hard & fast rule. 20-gallon is for the first fish and 10 additional gallons are for the second fish. However this amounts to loads of work. For example, one fancy Goldfish requires at least a 20 gallon tank. Your fish sound like common goldfish, the one with the longer tail is probably a comet. stang1 A smile costs nothing :) Joined Sep 12, 2006 Messages 6,132 Reaction score 0 Location … Single-tailed fish need far more room, and at least 40 gallons for the first fish and 20 for each additional fish. This method for estimating how many fish a tank can support is superior to the traditional a "how many fish per gallon" or "per litre" rule of thumb, such as "one inch of fish per gallon" or "one centimeter of fish per litre". For example, in a 60 x 30 cm (24 x 12 inch) tank you can keep a total of 30 cm (12 inches) of combined fish body length, such as three 10 cm-long fishes (three fish each 4 inches long), or two 15 cm-long fishes (two fish each 6 inches long). This will be large enough to allow swimming and will cope with the mess created by your scaly critter. 30 gallons for the first slim-bodied, single-tailed goldfish, and another 10-12 gallons for each additional goldfish This means that for a 55 gallon tank, it’s recommended that you keep 3 non-fancy goldfish … To me it looks as though 3-4 would fit in it and still have plenty of space, but I could be wrong! Hope this helps you! Sammy5 . 48 litres is way better than 14 but still won't last them long. Instructions for use: Step 1 - Choose the Tank Shape. There we have it guys, how many fish you can fit into a Biorb 30 liter aquarium. If you have fingerlings or goldfish, then the second piece of advice works well for calculating the minimum tank you need. Member. The second: Allow 1 gallon (4.5 liters) of water for every half inch (roughly 12-13 mm) of fish. Goldfish in a 500 litre tank? The acceptable tank size for one regular goldfish is 30 Gallons and add 10 gallons for every other goldfish you want to add to the same tank. How many fish can I have in a 30 Litre tank? However, you should be prepared to buy a larger tank as they grow. Now, we know that we said that how many fish you can fit into this 30 liter or 8 gallon Biorb really depends on the size of the fish, but there are some general guidelines for you to … It is sufficient to house 2 fancy goldfish only. Also, how many goldfish can you have in a 20 Litre tank? The single tail common, comet or shubunkin goldfish need about 190l per fish (these are actually more suitable for ponds). A single fancy goldfish needs a minimum of 38l (~10 US gallons), and an additional 38l is necessary for each additional fancy goldfish. Really you should ensure the length of the tank is at least 6 times the potential length of the fish. Sep 4, 2019. A good quality tank that holds at least 25 - 30 litres of water is recommended for one goldfish. Snowybear. You should either tank the goldfish back to the petshop or get a much larger tank imediately, since the goldfish will be lucky if they last a couple of months in a tank that small (which is not very good considering goldfish can live to 20-30years old or more). A more modern stocking level of 1 cm per litre gives a not dissimilar figure of 65 cm of fish and this can be slightly exceeded with efficient filtration and regular waterchanges.