I would personally say none, not for their entire lives anyway. You may get away with 2 Fancy Goldfish juveniles for a couple of months, but really Fancy Goldfish need a minimum of 20 gallons each and Common/Comet Goldfish a minimum of 55 gallons each for their entire lives! They get very big, are very messy and need a lot of water volume!
No. A 10 gallon tank is barely big enough to keep a single goldfish in.
depends, can a ten gallon tank live in a goldfish
It depends how big your bowl is if it is below 5 gallons then you should put one. But if it is 1 or 2 gallons then you will have to move it into a 5 gallon tank or bowl at the least.
no they need at least five gallons each. a thirty gallon tank is a good size tank to keep goldfish in.
ZERO!! A 1 gallon tank is not large enough to keep any kind of fish in. A Bubble eye goldfish can grow to 10 inches long and so, using the basic rule for keeping fish. "1 inch of fish need a minimum of 1 gallon of water" you would need at least a 12 gallon tank to house 1 Bubble eyed goldfish.
7....But you should keep an good watch on them.
No. A one gallon tank is not appropriate for a singular goldfish much less multiple. A ten gallon tank is the bare minimum for a singular goldfish and breeding would require a tank of twenty gallons or more. A one gallon tank cannot handle the chasing that proceeds goldfish mating nor maintain a water quality that is suitable for raising goldfish fry.
A 5-gallon tank is not recommended for keeping a goldfish. Goldfish require a larger tank size to thrive, ideally 20 gallons or more for a single goldfish. A larger tank provides more space for the goldfish to swim and grow, as well as better water quality.
20 gallons for one fish and 10 gallon for each addition goldfish. See the related link for further information.
One goldfish needs a 30-gallon tank, and an additional ten-gallons per additional goldfish. Goldfish can grow to be 10-12-inches long.
NO
no