Cold water and Goldfishes

lucky777ca

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Jan 25, 2006
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Would Oranda, Ryukin and Fantail goldfishes be okay at temperature of 55F? I think i've seen that orandas wouldn't be able to handle it, but I would like to make sure.
 
I'm assuming they're in an outdoor pond, though you didn't specify. Fancy goldfish don't do well outdoors like common goldfish. They are not as hardy to the differeing environmental factos that an outdoor pond exposes them to. If you have them in a aquarium (hopefully one of at least 40 gallons with heavy filtration) and the temperature of the water is 55 then get your thyroid checked out. Your room temperature would have to be extremely low in that case. :joke:
 
Actually, we set the thermostat at 15C, a little below the recommended room temp. (5C below, I guess). The house heater fluctuates from 10C to 15C, so mainly it's a temp of 12.5C or so. There are tons of drafts everywhere, and it's the middle of the winter, so that would cause a problem. The heat/gas bill would be extremely too much, if we were to crack it up to 20C (and a waste of heat).

Room Temperature: 12.5C, Outside Temperature: -4C (Supposed to be at -25C by this time of year)... And the cold still comes in

Anyways, getting back to the fishes :) I guess I'll be in search for a heater for them (300 W should be enough, or 2-150W)... Then, maybe add the white clouds back, and crank them up to 68F.

Why get my thyroid checked?
 
Lucky... 15 degrees Celsius = roughly 59 to 60 degrees Fahrenheit This would be the 'lower' limit for fancies such as Oranda and Moors. Ryukin and Fantails tolerate lower temps (50F to 55F). I see no real need for a heater at this point, what the current temp of the tank is doing at this point is giving them a 'winter' season, carp (goldfish are carp) are 4 season fish - this lower temp over a period of 6 to 8 weeks is good for over all health (simply put: allows females to reabsorb eggs and fat preparing them for their 'natural' breeding cycle - same for males except the 'eggs' part ;) ) Also, at that temp you need not feed very often (twice a week would be fine or very small portions once a day - which again allows the fish to experience a 'winter' season, using their 'fat stores' up for energy,.. and gives you a bit of a break on maintaining water quality.

Another note... benefical bacteria (that helps filter the water) is not as 'active' at lower temperatures. 15C is a nice happy medium, the bacteria are still doing their job but you must be wary about how much you feed the fish so you do not tax the bio system. You can gage how well your filter is working by doing regular ammonia, nitrite, and KH tests. If the ammonia and nitrite remains "0" and the KH appears to fall then the bio matrix is working well... if you get a 'blip' or a value other than "0" then it's not working well.

InR, that was my thought too LOL that's 'chilly'!
lucky - thyroid problems can make one feel either too hot or too cold - or both with in an instant... depend on whether you are typed as 'hyper' or 'hypo' or flux back and forth. My mom flux's, it's -17C out and I bet she got the house colder than your is!!!! LOL
 
Is there a way to lower the temp that the heater maintains at, I currently have a heater that has a lower setting of 18C (i guess 64F), but it was maintaining it at 70F :S Should I just get a heater that uses less power? Or should I just remove the heater. The thermostat of the house keeps it at 50F-60F, and makes the heater of the house run every 20 minutes or so. The last time I let the temp drop to 52F, the Red & White Ryukin was in a cave, not moving much, while the others were just swimming around, slowly.

The temperature of the house is set at that because there a drafts, I don't think that anybody in my family has any thyroid problems (that I know of).

Thanks for the information, TJ
 
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