GOLDFISH AQUARIUM FISH SKINGoldfish do not like to be petted, thus touching a goldfish can endanger its health, because it can cause the protective slime coat to be damaged or removed, exposing the fish’s skin to infection from bacteria or water-born parasites.The optimum temperature for goldfish is between 20 ☌ (68 ☏) and 22 ☌ (72 ☏).Extremely high temperatures (over 30 ☌ (86 ☏) can also harm goldfish. Temperatures under about 10 ☌ (50 ☏) are dangerous to fancy varieties. Care must also be taken when adding water, as the new water may be of a different temperature.Active aeration by way of a water pump, filter or fountain effectively increases the surface area. The water surface area determines how much oxygen diffuses and dissolves into the water. Thus it becomes possible for owners to feed a goldfish by hand without it shying away. These fishes also have strong associative and social learning abilities, which combine with their strong visual acuity to enable them to react favorably to humans (owners/feeders) by swimming to the front of the glass, swimming rapidly around the tank, and going to the surface mouthing for food. We have several species available: comet gold, shubunki gold, oranda gold, black moor, calico gold, long fancy tail, short fancy tail, double long fancy tail, single long fancy tail. Goldfish generally needs lots of space and require very little maintenance. This 5 cm fish is suitable for indoor aquariums, outdoor gardens, event decorations, fish bowls, etc. Breeds vary greatly in size, body shape, fin configuration and coloration (various combinations of deep orange with black spots or white patches). The goldfish ( Carassius auratus) is also a freshwater fish and a member of the carp family. Goldfish are captivating and very colorful ornamental fishes.
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