Fantail Goldfish

my tank is at 74/75 too..... but I will admit, I thought the godies were called a cold water fish.... yet I knew the fancier types could do with warmer temps (such as indicated)...... but then again, one is always learning ;)
 
If you've ever noticed, those who have most fancy variety of goldfish in their ponds usually have to replace just about all their stock in the spring... and it is because fancy goldfish are not as hardy or made to be in freezing temps. Man created these fancy goldfish, now we must take care of them properly.
 
While you guys are talking about goldfish and temps...

I always thought goldfish were coldwater...as most of the world does apparently. So I never had a thermometer on the tank, although the few times I manually checked it the tank was around 72... so my question is, if I add a heater will my fish go into shock as the water warms up a bit? Or are they hardy enough to deal?
 
Going up in temp is easier for them than going down. Raising the temp a couple of degrees over a period of a few hours will not shock them - if anything you might see them become a tad more active and hungry. Increasing the water temp 2 to 6 degrees will increase their metabolisim.

A heater is a good idea, cuts down on temp swings which "can" be stressful. 72*F is fine, if your system/fish are doing well I see no reason to change that but as I said a heater is a good tool to keep the temp stable. IMHO gf like Moors or Bubble-eyes would benefit from a raise in temp, Ryukins or Orandas .. no biggy if they stay at 72*F, standards like shubunkins will kick into high gear at warmer temps, hungry hungry and growth rate increases.
 
So confused?

Ok I have 4 fantails and 1 ryukin (sp?) in a 60 gallon tank....this thing has more java ferns and java moss than I can begin to begin to count and has 3 filters going on it. The tank is like 2 1/2 years old on its current setup and the fish are wonderfully healthy, happy and wiggle at me so I will pay attention to them. I don't heat the tank at all so it stays about 69 all the time...
So is the requirements just to some degree water quality and care? Or is there really a set standard? I mean my guys get a varied diet of blood worms, cucumbers, spinach, gold-fish flake, spirulina and this new life community food and veggie wafers also.
 
I would switch the flakes to a sinking pellet food for the goldies though, there's a high probablility one of them at the very least will come down with swim bladder disease from the floating food. When goldies eat the floating food, they take in more air than they can handle sometimes.... otherwise, everything sounds in tip top shape.
 
*TJ said:
Best temp... 74 to 76*F ... why? Cause that the best temp for benefical bacteria to do their job. Goldfish are not a "coldwater" species... trout on the other hand are... just to clarify ;)
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I think that is a very wrong to think how could they be wen der desendets crucian carp wich are coldwater fish beacause the goldfish devolped from a deformaty of the crucian carp.
 
My fancy goldfish tank is at 71 degrees f. This is only because I have 5 cory cats in there with them. When the corys are gone I am removing the heater completely which will give the fish a more natural temp environment ranging from 55 -- 80 degrees f. Just llike in the wild.
In my opinion it is not 'natural' to totally control their 'weather'.
IMO of course.
IMO
 
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