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Goldfish can winter under the ice in ponds provided there is an area of the surface kept free of ice where there can be a free exchange of gasses between the water and the air. So the answer is they can live in water just above freezing.
Wiki User
∙ 14y ago
Wiki User
∙ 14y agoThe common goldfish can survive in an outdoor pond where water temperatures dip down bellow 40*F (5*C). They will go into a semi-hibernation by sitting, not really moving much and not eating down at the bottom where the water is warmest. Some pond might even freeze over during the winter and the goldfish still survive through to the spring.
If the water temperature drops down slowly, goldfish can survive the cold. It's the quick changes in water temperature that can kill your goldfish. Some pond owners, use a floating heater to warm up small areas of their pond to keep the ice from forming. The goldfish will also congregate next to the heater.
Many sources state different optimal temperatures, anywhere from 68-77*F as the optimal temperature. A good rule to follow: keep your goldfish in that general temperature range and don't allow rapid heating or cooling.
Wiki User
∙ 14y agoAbout 42 degrees... 42-56! Hope this helped!
Wiki User
∙ 13y agoIf the water temperature is at or below freezing, the goldfish will die.
Wiki User
∙ 11y agoAnywhere from 76 degrees to 85 degrees
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Is warm water better for breeding goldfish than cold water?
cold is better cuz when your in the ocean is the water hot or cold cold
Should you separate your pregnant goldfish?
Goldfish can not be pregnant. They lay eggs (spawn) in Springtime when the water temperature starts to warm up towards 70F.
Your pet goldfish a bit cold should you put it in a jug of boiling water to warm it up?
It is not adviseable!
Is cold water good for goldfish?
Goldfish are meant to live in cold water, not the warm water in a tropical aquarium. This is a huge reason why goldfish and tropicals shouldn't be in the same tank.
What should you never do to a goldfish?
Don't take a goldfish out of water.
You have put a goldfish iin your warm water turtle tank for a treat for the turtles but they are scared of it will it survive in the warm water?
Depends on the temperature
What is the easiest way to breed a goldfish?
the water temp. must be quite warm
Do Red and white rubukin goldfish live in warm or cold water?
Goldfish are all coldwater species no matter what their fancy name. They breed at around 70F so they should be kept under that temperature most of the time. (Between 55F and 65F is OK for goldfish)
What is a good temperature to have the water for a goldfish?
Goldfish are best kept at a temperature of at least 74F to 76F. There are times that you might increase the temperature to a tropical fish level for a short term to treat an illness, but you should not have it too warm.
Do Goldfish remember more in cold water than they do in warm water?
Yes. They probably do. They are coldwater fish, so probably.
How do goldfish act in cold water?
Some species of goldfish can survive in 0-degree water, but most goldfish won't survive in water below 10 degrees C. The fish would probably survive a while but would eventually stop moving and die.
Do goldfish eat more when it is cold or warm?
Warm.
