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Question:

What kind of fish can live without inserting oxygen pumps?

What kind of fish can live without inserting oxygen pumps?

Answer:

Cold water fish, such as fish, tropical fish in Manlong, large fish kissing, and some varieties, will be a breath of air, the extraction of oxygen from,
Small fish with a body length of less than 5 centimeters. As a peacock, black Marie, various Manlong, the ball can be. Especially the dragon fish and Manchester Chinese Betta, very resistant to hypoxia, but keep the two don't have other fish.The correct way to use an oxygen pump:Oxygen pumps do not open for 24 hours all day long! Usually in the morning, afternoon, each charge 2 hours or so, the evening charge for a while, if the weather is overcast, then open a longer time. If you do not have a filter, you should always change the water for the fish, preferably 3 or 4 days at a time, with 1/3 of the total water, but it must be dried! The temperature of the water should be similar to that of the fish tank! Every time you don't feed too much, clean up the excreta in the fish tank.
The water surface is relatively large, the fish body is relatively small, the number is also small, you can use the air pump. Tropical fish, too. But the condition is bad, the fish is also bad, affecting ornamental. If there is a water circulation system, it is straight or can not pump.

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