How to Prepare Aquarium for Arowana: A Comprehensive Guide

Are you planning to bring home an arowana? These stunning creatures are highly sought after in the aquarium world and require specific care. Before bringing your arowana home, there are several steps you need to take to ensure their living environment is just right. In this blog post, we’ll guide you through the steps of preparing your aquarium for an arowana, from selecting the right tank size to creating a suitable habitat and picking out compatible tank mates.

So, let’s dive in and get your aquarium ready for your new arowana companion!

Choosing the Right Tank Size

If you’re planning to keep an Arowana in an aquarium, you need to make sure you choose the right tank size. Arowanas are one of the largest freshwater fish species, and they require a lot of swimming space to thrive. Generally speaking, a 150-gallon tank is the minimum size you should consider for a single Arowana, but larger tanks are highly recommended.

Arowanas are active swimmers and need enough space to move around comfortably. You also need to consider the tank’s width and height to ensure your Arowana has sufficient room to turn around, swim up and down, and jump. Before purchasing your Arowana, it’s crucial to set up its new home properly to ensure its survival.

This involves getting the right filtration system, lighting, and substrate, as well as planting live or fake plants or decor items to create a natural environment. Setting up the right aquarium for your Arowana can be challenging, but with careful planning and attention to detail, your fish can thrive in its new home.

Consider the size of your arowana and its growth potential.

When it comes to selecting the appropriate aquarium size for your arowana, it’s crucial to consider their current size and their growth potential. These fish can grow up to three feet long, and they require a large tank to swim comfortably and remain healthy. If you have a baby or juvenile arowana, you may be able to get away with a smaller tank, but you’ll need to upgrade as they grow.

Ideally, you should get the biggest tank your budget and space allow so that your fish have ample room to swim and thrive. Proper sizing is critical since keeping an arowana in a small tank can lead to severe health issues like stunted growth and spinal malformations. So, always choose the largest aquarium you can afford and accommodate, ensuring that your arowana grows big and strong while living comfortably in its new home.

how to prepare aquarium for arowana

Ensure the tank is large enough to accommodate swimming space and filtration equipment.

When it comes to choosing the right size for your aquarium, there are a few factors to consider. One of the most important is ensuring that your tank is large enough to provide sufficient swimming space for your fish while accommodating filtration equipment. The general rule of thumb is to provide one gallon of water per inch of fish, but larger fish require more space in order to thrive.

In addition, filtration equipment takes up space in your tank, which means you need to ensure that there’s enough room for both your fish and any necessary equipment. Another consideration is the size of your room – if you have a small space, you may not be able to accommodate a very large tank. Ultimately, it’s important to weigh your options carefully before making a decision, and consult the advice of an expert if you’re unsure.

By choosing the right size for your tank, you’ll be giving your fish the best chance to live happy and healthy lives in their underwater home.

Aquarium Filtration

If you’re looking to prepare your aquarium for an arowana, filtration is a crucial part of the process. To start, you’ll want to choose a powerful and efficient filter that can handle the size and needs of your arowana. A canister filter is often recommended, as it provides both mechanical and biological filtration.

Additionally, you’ll want to ensure that your aquarium has proper water movement and aeration to help distribute the filtration throughout the tank. Placing an air stone or power head can help achieve this. Another important aspect to consider is the type of media you use in your filter.

Biological media, such as bio-balls or ceramic rings, aid in the nitrogen cycle and provide a home for beneficial bacteria that help break down waste and harmful toxins. Overall, investing in quality filtration equipment and maintaining a regular cleaning schedule can lead to a healthy and thriving environment for your arowana.

Use a high-quality filtration system to keep the water clean and free of toxins.

Aquarium filtration is an essential component of maintaining a healthy and vibrant aquatic environment. Whether you have a freshwater or saltwater aquarium, a high-quality filtration system is crucial for keeping the water clean and free of toxins. Fish and other aquarium inhabitants produce waste and uneaten food that can quickly accumulate and cause harmful levels of ammonia and nitrate in the water.

A filtration system helps to remove these harmful substances while also providing oxygen and beneficial bacteria to keep the ecosystem in balance. There are various types of filters available, including sponge filters, canister filters, and power filters, each with their own benefits and drawbacks. It’s important to choose a filter that is appropriate for the size of your aquarium and the type of fish you have.

Regular maintenance and cleaning are also crucial to ensure the filter functions effectively and efficiently. By investing in a high-quality filtration system and keeping up with maintenance, you can create a thriving aquatic environment for your beloved fish.

Use a combination of mechanical, biological, and chemical filtration methods.

When it comes to setting up an aquarium, choosing the right filtration system is key to maintaining a healthy environment for your aquatic pets. A combination of mechanical, biological, and chemical filtration methods will ensure that your aquarium stays clear of harmful substances and debris. Mechanical filtration involves the use of a mesh or sponge to physically remove dirt and debris from the water.

Biological filtration uses natural bacteria to convert harmful substances like ammonia and nitrites into less toxic nitrates. Additionally, chemical filtration employs activated carbon to remove impurities from the water, including toxins and bad odors. By using all three methods together, your aquarium will not only look clean, but also provide a healthy home for your fish and other aquatic creatures to thrive in, without needing to worry about regular tank maintenance.

Perform regular water tests and partial water changes to maintain water quality.

Aquarium filtration is an essential component of maintaining a healthy and thriving aquatic environment. A good filtration system will help to remove waste, excess food and harmful chemicals from the water, ensuring the water remains clean and clear. There are several types of filters available, including mechanical, biological, and chemical filters, each with its unique benefits.

Mechanical filters trap larger particles and debris, while biological filters use beneficial bacteria to break down harmful substances, such as ammonia and nitrite. Chemical filters use activated carbon to remove chemicals and impurities from the water, making it safe for aquatic life. However, regardless of the type of filter used, it’s essential to perform regular water tests and partial water changes to maintain water quality.

By removing a portion of the water and replacing it with fresh water, you can help maintain the correct balance of minerals, nutrients, and other essential elements required for your fish to thrive. Routine water tests will help you detect any anomalies, allowing you to take corrective action before any issues arise. With the right filtration system, coupled with regular water tests and partial water changes, you can ensure a healthy and welcoming environment for your finned friends to call home.

Aquarium Decor

If you’re planning to add an arowana to your home aquarium, it’s important to prepare the tank appropriately. Arowanas are known for their large size and active swimming behavior, so you need to ensure that your aquarium setup can accommodate their needs. When picking out aquarium decor, it’s essential to choose items that won’t pose a safety hazard to your fish, as arowanas can be quick to injure themselves against sharp or pointed objects.

You may want to consider using natural materials like driftwood and live plants that mimic the environment of the Amazon River, where arowanas originate. It’s also crucial to ensure your water parameters are appropriate for the species, as they prefer warm water with a pH between 5-

By taking the time to prepare your aquarium properly, you can help your arowana thrive in its new home.

Provide hiding places and suitable substrate for your arowana to rest on.

When it comes to setting up your arowana’s aquarium, it’s important to consider providing suitable hiding places and substrate for them to rest on. Arowanas are known to be active swimmers but they also need a place to retreat and feel secure. Adding caves, driftwood or rock formations can create a sense of security for them as they provide hiding spots.

Another thing to consider is the substrate that the arowana will be swimming over. You’ll want to choose a substrate that won’t harm their scales or injure them in any way. Fine gravel or sand is a great choice for arowanas as it won’t damage their delicate ventral fins.

By providing proper hiding places and substrate, your arowana will be able to rest comfortably in their environment, which will help reduce their stress levels. Happy arowanas are healthy arowanas, so taking the time to set up their habitat properly is crucial for their well-being.

Avoid sharp or rough decor that can damage the fish.

When it comes to decorating your aquarium, you want to choose decor that not only looks good but also won’t cause harm to your fish. One important consideration is avoiding sharp or rough decor that can damage the fish. It’s essential to select aquarium decor that is specifically designed for underwater use and has smooth edges and surfaces.

You should avoid any decor that has rough edges, sharp points, or abrasive surfaces that could potentially harm or injure your fish. Remember that the safety and wellbeing of your aquatic pets should always come first. So, be mindful of the decor you choose to add to your aquarium and ensure that it is safe for your fish.

Otherwise, your beautiful aquarium could become a dangerous place for your beloved pets.

Choose décor that mimics the natural environment of an arowana.

When it comes to decorating your arowana aquarium, it’s essential to mimic the natural environment of these fish. The décor you choose can have a significant impact on your arowana’s health and well-being. One way to create a harmonious living space for your arowana is to incorporate elements that are found in its natural habitat.

Rocks, driftwood, and plants are great examples of items that can help recreate the natural environment. You could also use substrates such as sand or gravel that mimic the riverbed. These elements not only enhance the aesthetic of your aquarium but also provide hiding spots and shelter for your arowana.

When decorating your arowana’s aquarium, remember to use non-toxic materials and avoid overcrowding the tank. By doing so, you’ll create a comfortable and healthy home for your arowana to thrive in.

Water Parameters

Preparing an aquarium for arowana can be a bit challenging, but it’s essential to maintain proper water parameters to ensure your fish’s health and well-being. Firstly, consider the pH level of the water, which should be between 5 to

5 for arowana fishes. Also, monitor the water hardness, which should be around 100 to 250 ppm for optimal living conditions. Apart from that, choose a good quality filter that can handle the tank’s water volume to keep it clean and eliminate harmful toxins.

Adding live plants and rocks to the aquarium can also help create a natural environment and provide shelter for your fish. Furthermore, it’s necessary to perform regular water changes to keep the water chemistry balanced. A weekly 10 to 25% water change is recommended, depending on the aquarium’s size.

By following these guidelines and closely monitoring your arowana’s water parameters, you can create a healthy and thriving aquarium for your fish to enjoy.

Maintain the temperature between 75-86°F and pH around 6.5-7.5.

Maintaining optimal water parameters is crucial for the health and well-being of any aquatic species. It is recommended to keep the temperature between 75-86°F and the pH around 5-

Temperature can affect the metabolic rate, immune system, and overall health of fish and other aquatic creatures. Water pH is important because it can affect the solubility of minerals, the effectiveness of chemicals, and the growth of bacteria.

It’s important to regularly test the water parameters with a reliable test kit and make any necessary adjustments. With consistent monitoring and maintenance, your aquatic pets will thrive in their environment. Remember, just like humans, water quality is key for aquatic creatures to live a long, healthy life.

Keep ammonia, nitrite, and nitrate levels at safe levels through regular testing and water changes.

One of the most important aspects of maintaining a healthy aquarium is monitoring and maintaining the water parameters. Ammonia, nitrite, and nitrate are three key parameters that need to be kept at safe levels in order to ensure the health of your fish and other aquatic life. Regular testing of these parameters is crucial to catch any issues before they become serious.

There are various test kits available that make testing easy and accurate. In addition to testing, regular water changes are also important to keep levels in check. Water changes also help to remove any accumulated waste and debris from the tank, giving your fish a cleaner and healthier environment to thrive in.

Remember to be consistent with your testing and water changes to ensure that the levels remain stable. By keeping these parameters in check, you’ll be providing a healthy and safe home for your aquatic pets.

Acclimatizing Your Arowana

If you’re preparing to bring home an arowana, it’s important to make sure your aquarium is properly acclimatized for their well-being. Arowanas are tropical fish and need specific conditions to thrive. Start by ensuring your water temperature is set between 75 and 86 degrees Fahrenheit, with a pH level of

5 to Use a high-quality filtration system to maintain clean, clear water, and add appropriate decorations like driftwood or rocks to give your arowana a comfortable environment.

Before introducing your new fish, make sure to quarantine them to prevent the spread of any potential diseases. With the proper preparation, your arowana can thrive in their new home and bring joy and beauty to your aquarium for years to come.

Slowly adjust the water temperature and chemistry to match that of the tank.

When you bring home a new Arowana, one of the most important things you need to do is to acclimate it to its new environment. This means slowly adjusting the water temperature and chemistry to match that of the tank, so that your fish can safely transition without experiencing any shock. You should start by floating the bag containing your Arowana in the tank for at least 20 minutes.

This will allow the temperature in the bag to equalize with that of the tank. After that, you can add small amounts of water from the tank into the bag at regular intervals, until the bag is full. It’s essential to monitor the water quality throughout the acclimation process, using a test kit to check the pH, ammonia, nitrite, and nitrate levels.

Once the water levels in the bag match those in the tank, you can release your Arowana into its new home. Acclimatizing your Arowana can take up to an hour or more, depending on the temperature and chemistry differences between the bag and the tank. Rushing the process can lead to unnecessary stress and even death for your fish.

Remember that your Arowana is a delicate creature and requires proper care and attention. Once you’ve successfully acclimated your new pet, it’s important to maintain the same water conditions to ensure its continued health and well-being. So, take the time to acclimate your fish properly, and you’ll enjoy a happy, healthy Arowana for years to come.

Introduce your arowana to the tank slowly, allowing it to adjust to its new environment.

Before introducing your arowana to its new tank, it’s important to acclimatize it to its new environment slowly. This process is crucial in reducing stress on your fish and helping it adapt to the changes it’s about to experience. Start by slowly adding water from the new tank to its current tank, and gradually increasing the amount over several days.

This will allow your arowana to become accustomed to the new water parameters, PH levels, and temperature. You can also adjust the lighting in the tank to simulate the conditions of its new home. Keep a close eye on your fish during this process as it might show signs of stress such as decreased appetite or lethargy.

Once your arowana has acclimatized, it’s ready to be introduced to its new tank. Remember, patience and a gradual approach are key to reducing stress and ensuring your fish adapts to its new environment successfully.


In summary, preparing an aquarium for your new Arowana is not as simple as filling it with water and throwing in some decorations. It requires careful consideration of the tank size, water quality, filter systems, and feeding habits. But with patience, dedication, and a little bit of research, you’ll be able to create a beautiful and thriving environment for your Arowana to call home.

Just remember, a happy fish is a healthy fish, and when it comes to Arowanas, nothing but the best will do!”

By taking the time to properly prepare your aquarium, you can provide a healthy and optimal environment for your arowana.

When it comes to adding a new arowana to your tank, it’s essential to properly acclimatize it to its new environment. Not only will this help reduce stress for the arowana, but it will also help prevent any potential health issues from arising. To start, turn off the lights in your tank and let the arowana float in a plastic bag for at least 20 minutes.

This will allow the temperature of the water in the bag to adjust to the temperature of the water in your tank. Next, gradually add small amounts of water from your tank into the bag over a period of an hour or so. This will help the arowana get used to the water conditions in your tank.

Finally, it’s time to release your arowana into the tank. Make sure to do this slowly and carefully, so as not to scare your fish or cause any undue stress. By taking the time to properly acclimatize your arowana, you’ll be providing it with the best possible chance at a healthy and happy life in your aquarium.


What size aquarium should I get for an arowana?
Arowanas require large aquariums, at least 250 gallons in size.

What kind of filtration system should I use in the aquarium for an arowana?
Arowanas produce a lot of waste, so a powerful canister filter or sump system is recommended.

Do arowanas need any special lighting in their aquarium?
Arowanas prefer low to moderate lighting, as bright lights can stress them out. LED lights are a good option.

Can I keep other fish with my arowana in the aquarium?
Arowanas are best kept alone or with other large, peaceful fish. They may see smaller fish as prey.

What temperature should I keep the water in my arowana’s aquarium?
Arowanas prefer warmer water, around 75-82 degrees Fahrenheit.

How often should I feed my arowana in the aquarium?
Arowanas are big eaters and should be fed once or twice a day with a varied diet of live or frozen foods.

What kind of decor should I use in the aquarium for my arowana?
Arowanas prefer a simple and spacious aquarium with plenty of open swimming space. Rocks, driftwood, and plants can be added for decoration but should not clutter the aquarium.