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Why is My Fish Coming khổng lồ the Surface to Breathe?

Usually, aquarium fish happily swim & hang out at different depths of the aquarium. Some fish varieties prefer to lớn dwell mostly near the bottom, while others are more inclined khổng lồ spend their days in the middle or upper regions of the aquarium. One thing you don’t want to see, however, is a fish that is spending a lot of time right near the surface of the water—perhaps gasping—and in apparent distress.

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How vì fish breathe?

A fish may linger near the surface because he’s trying to lớn breathe more easily. Remember, fish breathe dissolved oxygen—not oxygen that is already combined in the H2O molecule. Naturally, these dissolved oxygen levels tend to be higher near the surface, where interaction between air & water takes place. A fish that is not receiving enough oxygen will try khổng lồ compensate by gravitating toward that area. Similarly, you may notice your fish lingering near the bubbles of your air stones or other bubble-producing décor.

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What to vày if your fish are staying at the top of their tank

An individual fish might not be getting enough oxygen because of a problem with his gills, such as gill flukes, parasites or injury. However, if you notice that multiple fish are trying to lớn breathe at the surface of your aquarium or staying at the vị trí cao nhất of the tank, then it"s likely that something is wrong with the conditions of your habitat. Be sure to check, và rectify, the following factors lớn ensure the health of your fish:

Poor water quality

Begin your troubleshooting process by performing a water thử nghiệm to rule out any issues with water unique (such as temperature, ammonia, nitrite, nitrate, hardness, salinity levels or pH levels). Next, try lớn determine other reasons your aquarium may be lacking oxygen. For example, if the water in your fish tank is cloudy or polluted, you may be overfeeding your fish, or you may have a dead fish in the tank. In either case, you will need to replace as much water as is needed khổng lồ bring your tank conditions back into a healthy balance (typically up to lớn one-third of the water is recommended).

Overcrowding

An overstocked aquarium—with too many fish polluting the water and competing for the same air supply—can cause low oxygen levels. For freshwater fish, start with the rule of thumb of "one gallon per one inch of adult fish," but keep in mind that this benchmark doesn"t take into consideration the fact that some fish are larger-bodied and some varieties are more taxing on the aquarium environment than others. Use this rule only as a guideline when calculating the appropriate aquarium size and then vì chưng additional research và speak with experts at your local pet store. (Also, be sure to calculate the adult sizes of the fish in your aquarium—not the one- or two-inch juvenile fish that you bring home.)

Another cause of low oxygen in an aquarium can be a lack of surface area. Rather than considering only the volume of your aquarium, think about purchasing one with a larger surface area—that is, one with more air contact. Two aquariums might have the same volume, but if the shape of one allows it khổng lồ have more surface area (shallower rather than taller), it will have higher oxygen levels, & that"s always good.

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Lack of aeration

Keep your fish"s habitat water on the move. Mixing existing water with the surface water helps maintain good water chất lượng and a good supply of dissolved oxygen throughout the fish tank. A set-up of properly maintained aquarium filters is critical for removing waste. In some situations, an even more powerful size of aeration—such as a nguồn head—may be needed. Bubble-producing décor elements like an air stone or bubble wand can also add small amounts of oxygen, but are more for decorative purposes.

Improper water temperature

Water temperature can also play a role in oxygen concentration. Warm water holds less oxygen than cold water, so during summer months keep an eye on your habitat"s temperature. Avoid letting it rise too high for long periods of time by regulating your water"s temperature with a fish tank heater or chiller.

Fish that are supposed to breathe at the đứng top of their tank

Finally, keep in mind that some varieties of fish—like bettas and gourami"s—are actually supposed to lớn breathe air from the surface. So if your aquarium is home to one or more of these, be sure that you don’t mistake normal behavior for an oxygen issue.


Chuyên mục: Tin Tức