Goldfish Tank Questions

[RATEDRSUPERFAN]

I was thinking of creating a 75 gallon tank with goldfish.

I was wondering if the tank could hold 1 of each of the following fish:
Common goldfish, Pearlscale, Oranda, Black Moor and Lionhead Goldfish.


And how big do they usually get?

 

[Lupin]

You can't combine singletails with the fancies. Pearlscales and black moors especially are prone to being outcompeted for foods. All of the goldfish mentioned can reach 10-12 inches. A 75g will house 6-7 of them just fine. Give 10g space per fish. Ditch the common off the list. Singletails generally are longer at 12-18 inches.

 

[RATEDRSUPERFAN]

So just these guys i take it:
Pearlscale, Oranda, Black Moor and Lionhead Goldfish.

Anything special required such as filter when they get that big.

Also what is the growth rate of them.

 

[just3542]

Any filter should be fine. I would recommend one that does at least 100 Gallons Per Hour though.

 

[TJB101084]

I had a common goldy he was 2-3 inches and 12 months later he was 12+ inches.

 

[Laticauda]

You will want a filter (or filters) that turn a combined 750 gallons per hour. They can grow very quickly, if fed correctly, and kept in appropriate conditions. I would not go with more than one of each that you have listed. Once you get into 6 or 7 goldfish in a 75 gallon, you would have to do water changes of @least 50% twice a week, and for most people, that is just unrealistic.

 

[TJB101084]

I will say large gold fish eat A BUNCH and are in the top 2 of dirtiest water creatures. On that list is Gold fish and red eared slider turtle. Never had to do so many water changes than with these 2 creatures.

 

[Ocean Railroader]

I own four comet Goldfish in a 75 gallon tank and they are now seven inches long and I will look at buying a bigger tank when I move out. I did keep comet Goldfish with a Blackmoor and he lived many years. The nature about the Blackmoor though and the comet Goldfish is that you have to get them when they are both the same size so they can get used to one another.

 

[raja]

http://www.youtube.com/watch?v=jkWncen_f_0 i bought this today.. sry didn't take photo so plx watch the video

 

[Yoimbrian]

Fancy goldfish growth is very difficult to find good information on.

For the first 9 months or so I had mine I bought really young (1" or so) and are now about 4 inch body (some 8"+ including the long tail) and really fat. I fed twice a day. They seem healthy and I can easily keep water in good shape with 7 of those in a 90 gallon (ryukin, dragon eye, pearl scale, oranda) doing 1 50% wc per week.

I've seen articles of people getting their fancies to 7" or so in the time frame, but they feed 5 or 6 times per day with a variety of foods. I've started still doing my manual feedings morning and night but added an auto feeder to feed twice mid day, well see how they do.

I think if you don't "power feed" you'll be fine with 5 in a 75 for a few years at least.

Also, mine breed like crazy. They've had 3 rounds of babies, but generally are all eaten or sucked into the filter. This last round I saved a baby and put it in a 1 gallon to grow out. Well see what it looks like since the father is a ryukin and the mother is either a dragon eye or an oranda.


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