Why Is My Kuhli Loach Swimming Up And Down? – What Is The Best For Kuhli Loach?

In the previous article, GA Pet Sitters already spoiled why your Kuhli Loach is swimming in circles. However, have you ever seen your Kuhli Loach swim vertically? Is it weird? And you asked yourself a question: Why is my Kuhli Loach swimming up and down?

Why is my Kuhli Loach swimming up and down? -GA Pet Sitters

Why Is My Kuhli Loach Swimming Up And Down? – What Is The Best For Kuhli Loach?

Honestly, Kuhli Loach Swimming vertically is nothing strange and it is totally normal. That is one of the effective ways for them to get more oxygen on the water surface

If you cannot “digest” this strange action of your Kuhli Loach, let’s read this article carefully! Because we will show you the answer to the question: “Why is my Kuhli Loach Swimming up and down?” right now. Let’s take a look!

Are Kuhli Loach Swimming Up And Down (Vertically)?

There are several reasons to answer for Kuhli Loaches’ behaviors – swimming up and down. For instance, this behavior can be caused by bad quality water conditions, infection, injury, and genetic defects. 

Swim Bladder Disease

One of the root reasons to answer for your Kuhli Loach’s behavior is swim bladder disease. So, what is swim bladder disease? 

According to the biologist, swim bladder disease is one of the most popular diseases that aquarium fish can be faced. And it forces fish to swim up and down frequently. This fish illness can originate from different factors such as environmental and mechanical features, physical abnormalities, etc.

For Kuhli Loaches, when they get this disease, their physical part will be injured and cannot function well. They cannot control themselves, so your Kuhli Loaches swim up and down and you cannot do anything to help them.

Poor Water Conditions/Ammonia Poisoning

Another reason is because of the water quality in the tank. If your tank has a bad water conditions with many rocks or gravel, these things will be an ideal place to hide and be passive and unmove day by day.

Moreover, these objects can influence the water quality and can cause ammonia poisoning. After that, they can get bladder disease and obviously swim up and down.

Genetic Defects/Defective Genes

Moreover, genes can be considered as an important cause leading to the action of you Kuhli Loach. If your fish possesses genetic defects or defective genes, it can swim up and down when growing up.

Besides, Kuhli Loach can get genetic disorders during the process of breeding. When breeding Kuhli Loaches, they will be kept in a unique water condition for pregnancy and spawning, which can cause genetic disorders for your fish.

Why is my Kuhli Loach swimming up and down? -GA Pet Sitters

Genetic Defects/Defective Genes

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Infection/Bacterial Disease

In the case of your Kuhli Loaches suffering from bacterial disease, they will try their best to escape from their current infective environment. Since vertical swimming is extremely hard for fish to breathe and get oxygen to live, your Kuhli Loaches will try to get more oxygen on the water surface.

Injury/Physical Trauma

Additionally, physical trauma or injured by other fish mates can cause bladder disease and swim up and down. Hence, be careful with others fish in your fish tank and you need to ensure that they will not fight each other!

Inadequate Temperature/Thermal Shock

The temperature of your fish tank can make your Kuhli Loach swim up and down. When the aquarium welcomes a “newbie” with available water conditions to suit this fish or the fish tank’s temperature is too cold, you Kuhli Loaches cannot stand it. They will swim up and down to warm their body temperature.

How to Prevent Your Kuhli Loaches From Swimming Vertically?

Do you know how to prevent your Kuhli Loaches from swimming vertically? The best way is to create for them the best habitat with good environmental conditions.

Thus, how do we create the most suitable environment for Kuhli Loaches? For all the reasons we mentioned for you above, you will have some solutions to prevent your Kuhli Loaches from swimming vertically. 

Good Aquarium Equipment

First of all, good aquarium equipment plays a key role to create the best environment. You need to prepare your aquarium with high-quality aquarium substrate. Furthermore, live plants also need to notice as well as rocks for decoration.

Why is my Kuhli Loach swimming up and down? -GA Pet Sitters

Good Aquarium Equipment

With this good stuff, the water quality will be okay and you can decrease the growth of ammonia poisoning or swim bladder. Hence, you can protect your fish from swimming vertically,

Maintain Water Parameters

Another factor you should and have to care about is water parameters. Fishkeepers need to ensure that water parameters suit the needs of fish. To do this, do not hesitate to research a little bit about their wildlife habitat to know the right temperature. 

Moreover, you should maintain suitable water parameters for your fish to thrive well. If necessary, you can decrease or increase the temperature that is best for your fish until you find out the right temperature.

Why is my Kuhli Loach swimming up and down? -GA Pet Sitters

Maintain Water Parameters

In addition, the best temperature for Kuhli Loaches is between 73 and 86 degrees Fahrenheit. Plus, the owner also should pay attention to the pH and GH levels of the aquarium. 5.5 to 6.8 is the right pH level for Kuhli Loach and their Gh level is about 0-10 dGH.

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Quarantine New Fish

Next, you should remember that new fish have to be in quarantine for at least two weeks before you decide to add them to the fish tank.

And, you will have to separate the diseased Kuhli Loach if you realize this fish cannot swim as it used to do on daily days. In this way, you can prevent spreading disease to other fish.

Frequent Water Changes

You are keeping your fish in the aquarium environment, which means that aquarium water cannot maintain well forever. So, it is better when changing the water frequently.

Why is my Kuhli Loach swimming up and down? -GA Pet Sitters

Frequent Water Changes

The fishkeepers should provide 25% water changes for the aquarium to create more oxygen for fish and play a role in rejuvenating the nitrogen cycle, which is absolutely significant.

Treat Diseases

It is not easy for anyone to endure disease and Kuhli Loach, as a fish, is not an exception. We make sure that your Kuhli Loaches are also tired and uncomfortable. Thus, we need to have treatment for their disease.

Aquarium salts or even antibiotics are one of the most effective ways to solve the issue. Next, maintaining the aquarium and environmental conditions such as water parameters, is essential to help your fish thrive positively.

Besides, do not forget to quarantine the ill fish to protect other fish in your aquarium! This will help you to not be time-consuming and avoid the worse situation.

FAQ

Why Do Kuhli Loach Swim At Top Of Tank?

As we mentioned above, there are several reasons for swimming at top of the tanks of your Kuhli Loach. It is because of genetic defects, infection, water conditions, injury, and so on. Hence, you should check all and find the right reasons. If these reasons are not the main problem, there can be another reason that you still do not know.

Why is my Kuhli Loach swimming up and down? -GA Pet Sitters

Why Do Kuhli Loach Swim At Top Of Tank?

It can be from your filter or heater. You should ensure that the power of your filter and heater is not too strong. Your Kuhli Loaches cannot bear with it. So, stopping using it for a while or decreasing the power filter will be solutions for you.

Plus, let’s look at the water surface! Are there any floating plants? If yes, floating plants can be the reason. Your Kuhli Loach is swimming flowing them.

Is Your Kuhli Loach Stressed? How Can You Tell?

Of course, your Kuhli Loach can be under stress. If you see them swim vertically or easily swim in circles, they can be stressful.

There are so many reasons behind their unstable mental. For example, the bad water condition can make them stressed or they will also be under depression if they are bullied by other fish. Thus, do not be objective with their strange behavior!

Conclusion

To sum up, this article is all about the reasons why your Kuhli Loach is swimming up and down. After reading this article, we hope that you will gain more useful knowledge to protect your Kuhli Loach. Moreover, you also know how to keep them well. Will you ask yourself the question ” Why is my Kuhli Loach swimming up and down?”  again after reading this article? We hope you will not.