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Goldfish get their color from light --- If you keep one in a dark room it will eventually turn white.
Goldfish get their color from light --- If you keep one in a dark room it will eventually turn white.
I once had a goldfish that would hump the carpet …but only for about thirty seconds

Goldfish can see both infrared and ultraviolet light

If you keep a goldfish in a dark room, it will eventually turn white.
Goldfish are sometimes put in a horse's water trough on farms to control mosquito and other insect larvae