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Author Topic: Single Tailed Goldfish, Tanks or Ponds?  (Read 961 times)
Skwishee
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Single Tailed Goldfish, Tanks or Ponds?
« on: March 04, 2012, 07:17:21 AM »

Hi everyone,

Here is my little informative thread about single tailed goldfish, in particular common's, because that's what I have most experience with. From what I've found looking around, is that while single tailed fish do okay in aquaria as young or juveniles, ultimately they need to eventually end up in a large pond or a very large tank.

When I say large, I'm talking a 1000 litre pond or 6 foot tank.
Why 6 foot?
Well we all know about stocking rules, but one interesting rule I have come across, is that a tank should be, ideally, 6x the length of the fish. So when you consider single tailed goldfish have the potential to grow to 1 foot in length, using the rule as a guide it is clear that 6 foot is the minimum size for an adult fish.

Some of you may agree with the 6x fish length rule, some of you may not agree, I think it depends on what type of fish you are keeping. I personally think it applies to common goldfish well, because they grow so long and as a guide, it helps us pick ponds they can have lots of swimming space in.

Now the difference with ponds and tanks, is that a 6 foot tank will at most (from what I've seen) give you around 500 litres. But I have seen a pond tub, that is 6 foot x 4 foot x 2 foot and holds 1300 litres of water.
So in my mind, a pond is the way to go, the tubs are often cheaper than any tank and hold twice the volume.

This is the pond tub, I refer too, just in case you were wondering, as until recently I didn't know what they were;
(Link is not visible to guests. Please register to view.)
 
Of course not everyone can jump up and start digging a hole in their garden to line or build a pond using some preformed plastic, as you may not even have a garden and a pond has it's own requirements, such as getting electricity outside or stopping predators getting at your fish.
You could always consider having an indoor pond, if you have a spare room inside and not much garden space.

In some situations it is appropriate to re-home the fish.
Again preferably a pond, perhaps someone in your neighbourhood has a pond that could take the fish or a local garden centre has a display pond where you know the fish won't be sold, or a local park that has a pond, or in some cases fish shops can take the fish, or there may even be a local 'fish rescue' service.

If you are un able to re-home your fish, large tanks (as mentioned above) can be an option, you could possibly keep a single tailed fish in a smaller tank of 3 foot or 4 foot and upgrade as they grow. Using the 6x fish length rule to help, so for example a juvenile fish can grow up to 6 inches in a 3 foot tank.
The reason I suggest finding a pond home first, is because in my opinion a pond is better than a tank.

If you are able to build a pond or un able to find a pond home and decide to go for a large tank, please consider the commitment each one needs, for example on a tank you will need to change at least 50% of the water weekly (on a 500 litre tank, that is 250 litres weekly), with a pond this is 10-15% weekly (on a 1300 litre pond that is around 130 litres), but you also need to top up the pond water to account for evaporation as well as the changes. Not to mention there is also feeding and cleaning, as well as filters to consider. So please research first.

Now some people reading this, will think I'm crazy, why does a fish need so much room?!
I understand I thought the same thing when I first started, so they say pictures speak a thousand words, here's a very cute juvenile goldfish;

[image]


You will eventually, have a fish like this;

[image]


I think this thread; (Link is not visible to guests. Please register to view.)
Also illustrates things very well, it is a tale of four goldfish and covers how tank size and living conditions can affect the fish.

Now I would just like to add, that this is information I've found looking around other forums that I have agreed with, being that single tailed fish belong in a pond. There are many, many different views out there, with regards to goldfish.

Myself, I currently have a juvenile common goldfish and I did everything wrong.
My fish doesn't have a 6 foot tank or a pond. In fact to begin with, I had two of them in an un-cycled 21 litre tank.

It was completely wrong, I lost one fish within a week and have since been doing my best for little Lucky. She is a 3 inch juvenile goldfish and currently lives in a 3 foot tank (photo below).
Now I'm using the 6x fish length rule, as a guide for when she needs to be upgraded to either a bigger tank or a pond.
So with the tank being 3 foot in length, she should be okay in there until she is about 5 or 6 inches.

I'm not sure if I can provide a 6 foot tank or build a pond, so I am considering the option of re homing her this summer or next summer, depending on her growth and health.

Now I know I have missed a lot of information here with regards to stocking a pond and tank, this is because I would personally have a few fish, in a large space. I personally feel that if I had a 500 litre tank, I would have 3 or 4 goldfish and in a 1300 litre pond, I would probably only have a shoal of 6 or so.

I wanted to share what I've found, not to make people feel bad, or to anger people, but I just wanted to show that at the end of the day there are lots of options, for us to choose from, so that we can give our fish the best care and the best home Smiley

And lastly, if you haven't brought any fish yet and are considering the common or any single tailed fish, unless you can provide them with a pond, then please avoid them altogether!
Instead I would advise considering one of the beautiful fantails or another fancy variety of goldfish.
« Last Edit: March 04, 2012, 03:21:09 PM by Skwishee » Logged
scrivens345
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Re: Single Tailed Goldfish, Tanks or Ponds?
« Reply #1 on: March 04, 2012, 09:04:43 AM »

I'd say 2000 L (yes thousand) is the minimum tank for commons
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Skwishee
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Re: Single Tailed Goldfish, Tanks or Ponds?
« Reply #2 on: March 04, 2012, 02:08:47 PM »

Can you even get tanks that size?!
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cheri_alexander
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Re: Single Tailed Goldfish, Tanks or Ponds?
« Reply #3 on: March 04, 2012, 02:28:26 PM »

You can get 500 gallon custom tanks! My dream! I agree that single tail goldfish are pond fish. I am seriously considering a pond (even though I rent this place) because they are so very tempting at the LFS. I try to advise people to stay away from single-tail goldfish all together.
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Skwishee
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Re: Single Tailed Goldfish, Tanks or Ponds?
« Reply #4 on: March 04, 2012, 03:02:55 PM »

Oh a pond... How I want one too Cheri, otherwise I will have to re-home my baby Sad

*I added a little bit to the bottom, as you just reminded to mention they should be avoided Wink

I ended up with Lucky and Star (rip) because they were left behind at a fair by one of the children, so I got myself into this mess really!
Thinking to myself 'awesome! I love fish Cheesy how hard can it be to look after some fish?'
Boy did I prove myself wrong! I'm so glad I found this place and learnt about my mistakes, so if others can learn from my mistakes before making them, then that would be good Smiley

Now how many fish could you have in a 500 gallon tank? Surely that would be like having a mini pool in your house?
Forget swimming with dolphins, swim with goldfish Grin
« Last Edit: March 04, 2012, 03:29:58 PM by Skwishee » Logged
scrivens345
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Re: Single Tailed Goldfish, Tanks or Ponds?
« Reply #5 on: March 09, 2012, 06:35:34 AM »

I reckon you could keep your goldie in this one(Link is not visible to guests. Please register to view.)

[image]


8 foot long Grin
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Skwishee
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Re: Single Tailed Goldfish, Tanks or Ponds?
« Reply #6 on: March 09, 2012, 10:41:26 AM »

If only I had lots of money and my house mates didn't mind me chucking the sofa out of the window Roll Eyes
I can only imagine the amount of buckets I'd need to do a water change!

I'm pretty sure I've seen pond tubs like this in the garden centres near here;
(Link is not visible to guests. Please register to view.)

Far cheaper and bigger than any tank Wink
« Last Edit: March 09, 2012, 10:44:29 AM by Skwishee » Logged
scrivens345
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Re: Single Tailed Goldfish, Tanks or Ponds?
« Reply #7 on: March 09, 2012, 12:48:04 PM »

Sofas are for wimps Grin
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Nossie
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Re: Single Tailed Goldfish, Tanks or Ponds?
« Reply #8 on: March 20, 2012, 11:30:06 AM »

I've seen a few 1000 liter tanks around here, pretty seriously considering one for a beautiful future, however a 500L seems a bit more realistic on my budget and space for now.

It makes lots of sense though to keep commons etc in a pond rather than a tank since most tanks will be rectangular, always, whereas a pond will have lots of surface area since they are usually more circular and not as deep as a tank, which means more space for a goldfish Smiley They prefer swimming back and forth and to the sides rather than up and down Wink Nice work writing all this, Skwishee Cheesy
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Skwishee
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Re: Single Tailed Goldfish, Tanks or Ponds?
« Reply #9 on: March 21, 2012, 04:47:30 AM »

Thanks Nossie  Grin I am currently in the process of planning a 'portable pond' if such a thing is possible, I intend to find out!
Good to have you back! I wondered where you had dissapeared too Wink
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Nossie
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Re: Single Tailed Goldfish, Tanks or Ponds?
« Reply #10 on: March 23, 2012, 11:54:34 AM »

I think it could be, as with anything... it'll just take some work Smiley Having a large tub or something would probably be fine! (Like the one you linked to in another thread)
Honestly, I've been sort of busy with my artwork lately... Wink And I needed a break from the "My fish just died, I had it in a 1 gallon bowl for 6 months, what happened? :C"-threads... D:
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