The charts above are just OPINIONS and can be violated with abandon, especially with narrow bodied goldfish. nano goldfish aquariumĪlso note that I’ve seen some very good “nano aquariums” as low as one gallons with goldfish swimming and thriving in them. It has been dwarfed by natural hormones, a process which is completely harmless. The fishkeeper obviously kept very good care of the goldfish and the fish is healthy and not “deformed” in any way. Black Moor Goldfishīelow is a photo of a goldfish that had been kept in a one gallon tank for three years. These people’s aquariums and goldfish will probably do just fine. It is very frustrating to see on social media where newcomers to the hobby who start out with common goldfish in small aquariums are shamed and degraded as being inhumane and guilty of animal cruelty. Now these numbers will send the many hobbyists absolutely bonkers. In my OPINION this stocking is: Common goldfish stocking

So the stocking for the “narrow bodied” goldfish is the same as for a five inch fish. They can also withstand poor aeration and poor water conditions much better than any other fish. They “grow to the size of the container”. Fancy Goldfishīecause of the inadvertent selective breeding of the Chinese the “narrow bodied” goldfish can live in much more crowded conditions that a normal fish. These fish are obviously not the victims of “animal cruelty”, at least not in my OPINION. There are at least a dozen very large (five to six inch body length?) fully grown goldfish thriving in what appears to be about a 75 gallon tank. To illustrate the stocking of common goldfish just look at this tank: Heavily Stocked Goldfish Aquarium

It is my OPINION that goldfish do not need large aquariums in order to “thrive”. It is the OPINION of many hobbyists that goldfish need very large aquariums in order to “thrive”. But it all can be summarized in one bullet: the number of gallons needed for each goldfish) is controversial, to put it mildly.

Goldfish aquarium ideas