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Breeding goldfish for different colors or visual effects has been a hobby in Japan for centuries.

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14y ago

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What would happen to goldfish left in dark?

A goldfish left in the dark would gradually, over time, turn completely white. This is because the color pigmentation cells responsible for the fish's bright color, cannot work without sunlight. It would, however, take a very long time for a goldfish to lose 100% of its color because they have so many color pigmentation cells in their scales.


Do goldfinches get more yellow in spring?

I don't think so. I have a goldfish and it's the same color.


How many types of Australian goldfish are there?

Goldfish originated in Asia. Any found in Australia are or originally were pets, so Australian goldfish is a misnomer.


Are goldfish born white and change color with age?

I think so but I most likely see them gold.


1.5 ounces of goldfish is how many goldfish?

This answer is very very obvious. If x=1.5 pounds of goldfish you have you have to do this: x= 5fa(3fas+4f)+5a f=11 and a=2 so the answer is 17 17 goldfish!!!!!


Can colored water effect the color of a goldfish?

Well the chemicals in the coloring can hurt the goldfish so it is not safe to have food die in a goldfishes tank!:p Hope that helps!


How many eggs do comet fish lay?

Comet goldfish usually lay between 500-5,000 eggs. The reason why they lay so many is because goldfish eggs, and fry, have high mortality rates. Having so many eggs ensures that at least some of the goldfish fry will reach adulthood.


Will goldfish suffocate out of water?

Yes. goldfish breathe water so if a goldfish is out of water it cant breathe so it will suffocate


If you have two goldfish and one drowns so how many goldfish do you have?

A goldfish is not from the fish type of anabantid (labyrinth fish) who would actually really drown if they do not swim up to the water surface to breathe.


How many degrees should a carnival goldfish stay in?

Just room temp should be fine goldfish are tough so it doesnt matter to much


How do goldfish react to being placed directly under a lamp?

If a goldfish is kept in the dark it will appear lighter in the morning, So if left in the dark for a long period of time, a goldfish will turn almost white. If kept in the light, it will absorb color, and often become a brighter gold. (almost the same as when we tan, the sun gives us color, and when we get less of it we turn whiter, or lighter)


How big does your goldfish have to be to lay eggs?

There is no size requirement for a goldfish to be mature enough to breed. The reason I say this is because so very many goldfish are so badly housed and treated that they may become fully mature but only a couple of inches long. Goldfish can usually breed within a year from hatching if they are well looked after.