How many comet goldfish for a 180?

  • We are currently upgrading MFK. thanks! -neo
I see. Shallow ponds are tricky because you don't really know how much free water is left between substrate and ice.
When there is snow on my pond I'll just shovel open a small window, like 4x4'. The fish can cope with that for a short time, although if it's so cold that the snow doesn't melt for longer than 2 days it does get problematic.
How deep is your pond?

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3 or 4 more with a bare bottom tank and lots of W/C. You are not nuts I kept Fancys in 180 for years.
 
Red Devil said:
Keep in mind they will reproduce........... i have a tank full of them .. they are beauties... i use to keep them in our outside pond but i got tired of bringing them in before winter.. they look great in a set up tank...
Click to expand...

They breed? I thought they needed specific requirments to breed? So if I have 6 or 8 in there they may breed? Crazy.


Thanks everyone. I may get 10 and see where it goes from there. They would be small...2-3 inches.
 
Singletails should have at least 20 gallons per fish; it doesn't matter if they are "only 2 inches right now" because they do the bulk of their growth in the first 2 years of their life, so they need the 20 gallons from the start. This would give you a total of 9, but that is only with regular frequent water changes, excellent filtration rated for a tank that is 200g or bigger, and making certain to not over-feed.

Also, you can't add any other inhabitants to the tank - no plecos, no snails, nothing.

If you're thinking that you can plant it heavily to keep on top of the nitrates, think again, since goldfish are major piggies and will eat everything and anything, and what they can't eat, they will rip out by the roots.

If you go with fancy goldfish, then you can get away with 20 gallons for the first fish, and 15 gallons per fish after.

It's not just about the size they can grow to, which can be pretty big, but about the sheer amount of waste they produce which means you need to limit the number of fish you put in your tank.
 
I ended up getting 6 ryukins. One doesn't look too good though, so perhaps 5 by time it is all done and over with.
 
Ryukins are my favourite, but they can be prone to swim bladder.

Make sure that you never feed them flakes (or any floating food), and make sure you vary their diet if feeding sinking pellets. You will want to feed them cooked, de-shelled, and cooled peas once a week, or cooked & finely chopped green beans (helps them poop!).

What is the one not looking too good doing?
 
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