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Best Big Fish For 55 Gallon Tank (2024 Update)

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If you're looking for the best big fish for your 55 gallon tank, there are several factors you need to consider before making a purchase. It's important to choose fish that are compatible with each other and the environment of your tank. Make sure to do research on each fish species' temperament, size, and dietary needs. Also, consider the water temperature, pH level, and filtration system requirements to ensure a healthy and thriving ecosystem for your fish.

Before buying any fish, it's important to assess the size of your 55 gallon tank and choose fish that will comfortably fit. Big fish require more room to swim and thrive, so consider the maximum size that your chosen species can reach. Additionally, make sure the fish are compatible with each other and won't be aggressive towards other tank mates. Consider the colors and patterns of different fish species to create a visually appealing tank.

Looking to add some personality to your 55 gallon tank? What about a fish that is easy to care for and has a unique appearance? Have you considered the compatibility of different species and their dietary needs? By answering these questions, you can ensure that you have the best big fish in your 55 gallon tank, creating a beautiful and healthy ecosystem for all your aquatic pets.

10 Best Big Fish For 55 Gallon Tank

# Product Image Product Name Product Notes Check Price
1
Ideal for aquariums up to 55 gallons, providing efficient hang-on filtration with a high flow rate.
2
Ideal for maintaining optimal water temperature in medium to large-sized fish tanks or aquariums.
3
The product is ideal for keeping freshwater and saltwater fish in a large acrylic aquarium with a built-in stand and storage top.
4
This product is ideal for those looking for a large, high-quality aquarium with a built-in stand and storage top.
5
Ideal for filtering and maintaining a clean and healthy environment in aquariums up to 70 gallons.
6
Ideal for keeping freshwater fish in a stylish, clear glass aquarium with an included stand, filter, pump, and LED lights.
7
The product is ideal for filtering aquariums between 55-100 gallons in capacity.
8
The product is ideal for keeping and observing fish and other aquatic organisms in a spacious and durable aquarium.
9
This product is ideal for setting up a complete and clear freshwater aquarium with LED lighting and filtration system.
10
This product is ideal for maintaining the temperature of aquariums and keeping fish healthy.
Ideal for aquariums up to 55 gallons, providing efficient hang-on filtration with a high flow rate.
Ideal for maintaining optimal water temperature in medium to large-sized fish tanks or aquariums.
The product is ideal for keeping freshwater and saltwater fish in a large acrylic aquarium with a built-in stand and storage top.
This product is ideal for those looking for a large, high-quality aquarium with a built-in stand and storage top.
Ideal for filtering and maintaining a clean and healthy environment in aquariums up to 70 gallons.
Ideal for keeping freshwater fish in a stylish, clear glass aquarium with an included stand, filter, pump, and LED lights.
The product is ideal for filtering aquariums between 55-100 gallons in capacity.
The product is ideal for keeping and observing fish and other aquatic organisms in a spacious and durable aquarium.
This product is ideal for setting up a complete and clear freshwater aquarium with LED lighting and filtration system.
This product is ideal for maintaining the temperature of aquariums and keeping fish healthy.

1. Ea Performance Hang-On Power Filter – For Aquariums Up To 55 Gal – 220ghp – Not Made In China

The aquarium filter is a three-stage system designed to keep your aquatic environment healthy and clean. The first stage is a mechanical system that uses an advanced polyfiber floss to trap both micro and macro organic particles, as well as any foreign debris that may be present. The second stage is a chemical process, in which super-activated carbon granules absorb dissolved contaminants, impurities, and discoloration, leaving your aquarium water clear and odor-free.

The third stage is a biological system that uses a high-flow bio-sponge to promote the colonization of beneficial bacteria, which are essential to maintaining a healthy aquatic environment. The porous sponge provides an ideal surface for these organisms to grow and thrive, ensuring that your fish and other aquatic creatures have a safe and healthy environment in which to live.

The filter comes with no-mess cartridges and sponges, making it easy to change without getting your hands wet or dirty. The plug and play design makes installation a breeze, and the simple maintenance ensures that your aquarium remains clean and healthy with minimal effort on your part.

2. Gmsound Aquarium Heater Submersible Fish Tank Water Heater Thermostat (300w For 55-100gal)

The fully submersible aquarium heater is a must-have for any fish owner. With a power of 300W, it is suitable for suggested water volumes of 55-100 gallons. The temperature of the fish tank heater can be conveniently adjusted within a range of 65°F – 93°F (20°C~34°C) to suit the particular needs of your fish. The display is easy to read, making it effortless to set the desired temperature.

This aquarium heater is constructed of high-quality quartz glass, with double-seal material and advanced design to ensure safe operation. It is perfect for use in fresh or saltwater aquariums, providing a constant warm environment for your tropical fish to stay healthy.

The heater comes with an on/off indicator light that allows for simple, visual confirmation of its operation. You can easily set the desired aquarium temperature, and the indicator light will confirm that the heater is working as intended.

The aquarium heater thermostat is designed with convenience and safety in mind. It comes with two suction cups for effortless attachment to the fish tank. The polarized plug helps prevent electrical shock, ensuring that you can use the heater with complete peace of mind.

3. 360 View Aquarium With Stand And Storage.

Introducing the Large Cylinder Acrylic 53 Gallon Aquarium, designed to complement modern homes with its sleek and stylish appearance. The glossy black base and top cover are accented with a single gold line along the bottom, adding a touch of elegance to the overall design. This aquarium is perfect for both freshwater and saltwater setups, making it a versatile addition to any aquatic enthusiast’s collection.

One of the standout features of this aquarium is its ability to save floor space while still providing a full 360° view of your fish’s environment. The tall and cylindrical shape of the tank allows for vertical aquascapes and setups, without compromising the aquatic volume for horizontal square footage. This is especially convenient for those who want to create a stunning aquatic environment in their homes, without sacrificing too much space.

The filtration and aeration systems are specifically designed for this tank, with a customizable filtration column and lid that sits on top of the tank. The glossy black top cover, which also adds to the overall aesthetic of the aquarium, contains a storage compartment for the electrical power strip and air pump, keeping everything organized and easily accessible.

With the purchase of this aquarium, customers will receive a complete set of items needed for setup and maintenance. The package includes the tank, bottom stand, top cover, filtration media, dual outlet air pump, integrated tubing system and bubble wall, water pump, remote-controlled multi-color LED light, and electrical power strip. This comprehensive package ensures that customers have everything they need to set up and maintain their aquarium.

Due to its overall size, this item ships in three boxes that are shrink-wrapped together on a pallet for freight delivery. Customers will be contacted to arrange a shipping date prior to shipment, and failure to confirm a shipping date may result in the cancellation of the order. It’s important to note that refusal of delivery or return not due to shipping damage may be subject to a 50% restocking fee. All other Amazon return policies apply.

4. 360° View Acrylic Aquarium With Storage Stand – 58g

Introducing the Large Bow Front Acrylic 58 Gal Aquarium, a modern and stylish addition to any home. The sleek and tall design of this aquarium is perfect for both Freshwater and Saltwater setups, and blends seamlessly with most home décor.

Not only does this aquarium provide a full 360° view of your fish’s environment, but it also saves valuable floor space within your home. With this durable and strong acrylic tank, you won’t have to compromise aquatic volume for horizontal square footage. Additionally, the vertical design allows for the creation of unique and visually striking Aquascapes.

The filtration and aeration systems are designed specifically for this tank and are conveniently located on the top cover. The tightly sealed and transparent lid allows for easy access to the customizable filtration column, while the glossy black top cover contains a storage compartment for the electrical power strip and air pump.

This aquarium comes fully equipped with everything you need to get started, including a bottom stand, customizable filtration column/lid, filtration media, dual outlet air pump, integrated tubing system and bubble wall, water pump, remote-controlled multi-color LED light, and electrical power strip.

Please note that due to its size, this item ships in three boxes that are shrink-wrapped together on a pallet for freight delivery. The seller will contact the buyer to arrange a shipping date prior to shipment. Failure to confirm a shipping date may result in the order being cancelled. Additionally, refusal of delivery or return not due to shipping damage may be subject to a 50% restocking fee. All other Amazon return policies apply.

Invest in the Large Bow Front Acrylic 58 Gal Aquarium for a modern and stylish addition to your home that saves valuable floor space and provides a stunning view of your aquatic pets.

5. Fluval C4 Power Filter, Fish Tank Filter For Aquariums Up To 70 Gal.

The 5-stage clip-on power filter is an excellent addition to any freshwater or saltwater aquarium between 40 and 70 gallons. With its powerful filtration system, this filter ensures that your aquarium water stays clean and healthy for your aquatic pets.

The mechanical stages of the filter consist of two components that effectively trap large and fine debris. The foams can easily slide out, making it easy for you to clean and maintain the filter. The chemical stage features activated carbon that efficiently removes toxins from the water, providing a safer environment for your fish and other aquatic animals.

The biological stage of the filter features a Bio-Screen pad that blocks debris and provides a massive surface area for beneficial biological activity. This stage helps to create a natural ecosystem within your aquarium, providing the perfect environment for your aquatic pets to thrive.

The Biological Trickle Chamber is supercharged for fast and efficient nitrification when loaded with Fluval C-Nodes. This advanced filtration system helps to break down harmful toxins in the water, ensuring that your aquarium remains clean and healthy.

With its easy-to-use clip-on design, the filter can be easily installed and removed from your aquarium. It is also designed to operate quietly and efficiently, providing excellent performance without disturbing your aquatic pets.

6. White Oasis Aquarium Bundle – 135 Gal.

This aquarium is a top-of-the-line product made of high-quality materials that are built to last. The tank and stand are constructed with a titanium-magnesium-aluminum alloy frame, ensuring durability and stability. The tank itself is made of durable tempered glass with a 99% light transmittance, making it easy to clean and maintain.

The aquarium comes equipped with an LED lighting system and a filtration system with filter media, as well as a high-quality water pump. The LED lighting system provides ample lighting for your aquatic pets and plants, while the filtration system ensures a clean and healthy environment for them to thrive.

The surfaces of the aquarium are repellent to streaks and scratches, making it resistant to wear caused by build-up from acid/alkali. Additionally, the bonding agent for the seals is made up of a German silica gel that is resistant to saltwater erosion, ensuring the longevity of the aquarium for upwards of 20 years.

7. Aqueon Quietflow Aquarium Fish Tank Canister Filter For 55-100 Gallon Aquariums

The aquarium enthusiasts out there will be thrilled to know about the multi-stage filtration system that this product offers. It includes biological, chemical, and mechanical filtration, ensuring that the aquarium's water remains clean and healthy for its inhabitants.

One of the best features of this product is its easy-access design, which enables quick routine maintenance. Additionally, the package comes with a hang-on-the-back polishing unit, which makes cleaning even easier.

This product also offers multiple water return options, such as a spray bar, water director, and water polishing unit, which provides versatility to best suit a variety of aquarium habitats. The Water Polishing Unit uses Large Aqueon Replacement Filter Cartridges, which can be replaced monthly, ensuring that the water remains crystal clear.

For internal media replacement, the carbon needs to be changed every 30 days, while the foam pad needs to be rinsed or replaced as needed. The white polishing pad needs to be changed as needed as well.

The package includes quick disconnect valves, pump locking heads, water intake/output connections, hoses, water polishing unit with cartridge and media including activated carbon, coarse foam, bio-balls, and bio-ceramic rings.

This product is designed to fit aquariums up to 75 gallons, making it the perfect addition to any medium to large-sized aquarium. Its various features make it a reliable and versatile filtration system, ensuring that your aquatic pets remain healthy and happy.

8. Tetra Glass Aquarium 55 Gallons, Rectangular Fish Tank (Nv52018)

The Glass Aquarium from Tetra is an excellent choice for those seeking a comfortable and safe home for their fish. With its rectangular design, this aquarium provides ample space for your fish to swim around and explore. Measuring 48 inches in width, 13 inches in depth, and 20 inches in height, this 55-gallon tank is an ideal size for most fish species.

One of the best things about the Glass Aquarium is that it is highly customizable. You can mix and match with your favorite Tetra filtration, lighting, and water care products (sold separately) to create a unique and personalized aquarium experience. Tetra offers a wide range of accessories that can be used to customize your aquarium, making it truly your own.

Whether you're a seasoned hobbyist or a beginner, Tetra is dedicated to helping you enjoy a successful, lifelong aquatic experience. With its commitment to quality and customer satisfaction, Tetra is a trusted brand among aquarium enthusiasts.

The Glass Aquarium is suitable for all life stages, making it a great investment for anyone looking to add a new fish to their family. Overall, this aquarium is an excellent choice for those seeking a spacious, customizable, and high-quality home for their fish.

9. 50g Led Aquarium With Complete Setup

Introducing the High-Quality Low-Iron Tempered Ultra-White Transparent Glass Fish Tank, a luxurious and durable addition to any home or office. This fish tank is made of crystal glass, a high-quality material that can withstand daily wear and tear, scratches, and even acids/alkali. With a visible light transmittance greater than 91.5%, the tank offers a clear and unobstructed view of the underwater world.

The fish tank's frame is made entirely of metal, making it resistant to saltwater erosion. Measuring 31.5 (L) x 14.2 (W) x 25.6 (H) inches, the tank has a water actual capacity of 46 gallons, making it suitable for breeding marine life, corals, Arowanas, aquatic plants, and landscape water features. The professional aquatic LED tri-color lighting source adds a touch of elegance to the tank, making it a stunning focal point in any space.

The fish tank comes complete with a cabinet, water pump (22W 320 GPH), and filtration system with filter media. The aluminum all-metal frame measures 31.5 (L) x 14.2 (W) x 25.6 (H) inches and is designed to resist tension and torque deformation caused by heavy loads. The frame is also corrosion-resistant, making it easy to clean and maintain.

The filtration system sink measures 26 (L) x 9.9 (W) x 12.6 (H) inches and has a water actual capacity of 4 gallons, ensuring that the water remains clean for a long time. The fish tank's glass is bonded with German original ultra-long-lasting biophilic silica gel, which can resist saltwater erosion for up to 20 years, ensuring that the tank remains in pristine condition for years to come.

The all-black design of the fish tank is both fashionable and modern, making it a stylish addition to any space. With a weight of 154lb and a water total actual capacity of 50 gallons, this fish tank is a luxurious and comfortable home for your pet water creatures. It offers a better immersive experience, allowing you to see each aquatic plant and watch your pet fish swim gracefully in front of you.

10. Auto-Thermostat Aquarium Heater Kit

This 500W aquarium heater is ideal for fish tanks ranging from 55-80 gallons, with a voltage of AC 110-120V and a 5.0ft power cord. It is important to choose the right wattage according to the provided size chart. The heater comes with a detachable shield and 2 suction cups, making it easy to hide in the tank, whether it is made of acrylic or glass.

The temperature of the aquarium can be easily adjusted between 68-94℉, with the option to set the temperature to 68, 71, 75, 78, 82, 86, 90, or 94 by rotating the pointer on the dial. This allows for complete control of the aquatic climate within a 2-degree difference.

Safety is a top priority with this aquarium heater, as it effectively maintains the tank water at the constant temperature you set. It will stop heating when the water temperature is 1.5-2℉ above the set temperature and restart heating when the water temperature is 1.5-2℉ below the set temperature.

The heater is made of shock-resistant quartz glass and is covered with a double-sealed case, making it explosion-proof and preventing any electricity leakage. This feature ensures that your pets remain safe from being scalded. It can be used in both fresh water and salt water aquariums.

This fish tank heater also comes with an extra thermometer to show the accurate tank temperature. This feature helps to avoid overheating or freezing and provides a constant warm environment for your pet fish to stay healthy. Additionally, this product comes with a buy one, get one free offer for added value.

Best Big Fish For 55 Gallon Tank FAQs

Can I keep a single large fish or should I have a school of smaller fish in a 55 gallon tank?

It ultimately depends on the species of fish you are interested in keeping in your 55-gallon tank. Some fish, such as angelfish or discus fish, are best kept in pairs or as a single specimen due to their territorial nature. Other species, such as tetras or rasboras, thrive in schools and should be kept in groups of at least six individuals.

In general, it is a good idea to research the specific needs and behaviors of the fish you are interested in keeping before making a decision. If you are set on keeping a single large fish, make sure it is compatible with any other tankmates you plan to add and has enough space to swim and explore. On the other hand, if you choose to keep a school of smaller fish, ensure that your tank is adequately sized and has plenty of hiding spots and plants for them to feel secure.

Remember to also consider factors such as water quality, filtration, and temperature requirements when setting up your tank for your fish. With proper research and care, both single large fish and schools of smaller fish can thrive in a 55-gallon tank.

How many large fish can I keep in a 55 gallon tank?

The number of large fish that can be kept in a 55-gallon tank ultimately depends on the species of fish you plan to keep. As a general rule of thumb, it is recommended to keep no more than 1 inch of fish per gallon of water. However, this rule does not apply to larger fish species as they require more swimming space and produce more waste.

If you plan to keep large fish such as cichlids or angelfish, it is recommended to keep no more than 2-3 individuals in a 55-gallon tank. These fish require plenty of swimming space and can become territorial if overcrowded. It is important to research the specific needs and behaviors of the fish species you plan to keep to ensure they will thrive in your tank.

Additionally, it is important to consider the filtration and maintenance needs of the tank when stocking it with fish. Overcrowding can lead to poor water quality and potentially harm the fish. As a responsible fish owner, it is important to provide a suitable environment for your aquatic pets.

What are some potential health concerns for large fish in a 55 gallon tank?

Keeping large fish in a 55-gallon tank can present several potential health concerns. Large fish require a lot of space to swim and can become stressed in a confined environment, leading to a weakened immune system and increased susceptibility to diseases. Overcrowding can also result in poor water quality, which can cause health issues such as fin rot, swim bladder disease, and ammonia poisoning. Additionally, if the tank is not properly filtered, the buildup of waste can lead to high levels of nitrate, which can cause stress and damage to fish organs over time. It's important to maintain a consistent and proper water change schedule, provide adequate filtration, and ensure that the tank is not overstocked to keep your large fish healthy and thriving. Providing a well-balanced diet and monitoring their behavior for any signs of illness or distress is also crucial for their overall health and well-being.

What are some potential tank mates for large fish in a 55 gallon tank?

There are many potential tank mates for large fish in a 55-gallon tank, but it's important to choose the right ones to ensure compatibility and avoid any conflicts. One option is to choose other large fish that are peaceful and won't compete for resources. Some good choices include angelfish, discus, and larger tetras like Congo tetras or Buenos Aires tetras. Another option is to choose bottom-dwelling fish that won't inhabit the same area of the tank as the larger fish. This could include catfish like the pleco or corydoras, or even shrimp or snails. When selecting tank mates, it's important to consider the size and temperament of the existing fish, as well as their water requirements and feeding habits. Researching the specific needs of each species can help ensure a healthy and harmonious aquarium environment.

What are some tips for maintaining water quality in a 55 gallon tank with large fish?

Maintaining water quality in a 55 gallon tank with large fish is crucial for the health and well-being of your aquatic pets. Here are a few tips to ensure optimal water quality in your tank:

1. Regular water changes: Large fish produce a lot of waste, which can quickly build up and negatively impact water quality. Regular water changes, ideally once a week, can help remove excess waste and maintain healthy water parameters.

2. Invest in a quality filtration system: A good filtration system is essential for removing waste and maintaining a healthy environment for your fish. Choose a filter that is appropriate for the tank size and the number of fish in it.

3. Monitor water parameters: Regularly test the water for pH, ammonia, nitrite, and nitrate levels. These parameters can provide valuable insight into the health of your tank and help you take corrective action if necessary.

4. Don't overfeed: Overfeeding can lead to excess waste and poor water quality. Feed your fish only what they can consume in a few minutes, and remove any uneaten food as soon as possible.

5. Avoid overcrowding: Overcrowding can quickly lead to poor water quality as fish produce more waste than the filtration system can handle. Ensure that your tank is appropriately sized for the number and size of fish you have.

By following these tips, you can maintain optimal water quality in your 55 gallon tank with large fish, ensuring a healthy and happy environment for your aquatic pets.

What are the best feeding options for large fish in a 55 gallon tank?

When it comes to feeding large fish in a 55 gallon tank, there are several options available. The first thing to consider is the type of fish you have and their dietary requirements. Large fish, such as cichlids, require a diet that is high in protein, while herbivorous fish, such as plecos, need a diet that is high in plant matter.

One option is to feed your fish a high-quality pellet or flake food that is specifically formulated for their dietary needs. These foods are often fortified with vitamins and minerals to ensure your fish are getting all the nutrients they need.

Another option is to supplement your fish's diet with live or frozen foods, such as brine shrimp, bloodworms, or krill. These foods are a great source of protein and can help keep your fish healthy and active.

It's important to remember to feed your fish in moderation and to avoid overfeeding, as this can lead to health problems and poor water quality. A good rule of thumb is to feed your fish no more than they can consume in a few minutes, once or twice a day.

Overall, the best feeding options for large fish in a 55 gallon tank depend on the specific needs of your fish, but a balanced diet of high-quality pellets or flakes and live or frozen foods can help keep your fish healthy and happy.

What are the best types of filtration systems for a 55 gallon tank with large fish?

When it comes to filtration systems for a 55 gallon tank with large fish, there are a few options to consider. First and foremost, it's important to choose a filter that can handle the bioload of your fish. A canister filter is a good choice as it provides powerful mechanical, biological, and chemical filtration. It also has a large capacity and can handle a lot of debris, making it ideal for larger tanks. Another option is a hang-on-back (HOB) filter, which is easy to install and maintain. It provides good mechanical and biological filtration but may not be as effective at chemical filtration as a canister filter. If you prefer a more natural approach, a sump system can be a great choice. It provides excellent biological filtration and allows you to customize the filtration media to meet your specific needs. Ultimately, the best filter for your 55 gallon tank will depend on the specific needs of your fish and your personal preferences.

What are the best types of large fish for a 55 gallon tank?

When it comes to keeping large fish in a 55 gallon tank, it's important to choose species that can comfortably thrive in the limited space. Some of the best types of large fish for a 55 gallon tank include Angelfish, Discus, Gouramis, and Rainbowfish. These fish are known for their peaceful temperament and adaptability to various water conditions.

Angelfish are a popular choice for their striking appearance and ability to live in groups. They can grow up to 6 inches in length but are not very active swimmers, so a 55-gallon tank is sufficient for a group of 4-5. Discus are another beautiful and peaceful species that require warm water and a well-filtered tank. They can grow up to 8 inches in length and are best kept in pairs.

Gouramis are a hardy and easy-to-care-for species that can grow up to 6 inches in length. They come in a variety of colors and are known for their labyrinth organ, which allows them to breathe air from the surface. Rainbowfish are also a popular choice for their vivid colors and active swimming behavior. They can grow up to 5 inches in length and are best kept in groups of 6 or more.

It's important to note that even though these species are suitable for a 55 gallon tank, proper filtration and water maintenance is crucial for their health and well-being.

What are the minimum tank requirements for large fish in a 55 gallon tank?

When it comes to housing large fish in a 55-gallon tank, there are a few minimum requirements that should be met to keep your fish healthy and happy. It is important to remember that large fish produce more waste and require a larger swimming space compared to smaller fish, so adequate tank size is crucial.

Firstly, a 55-gallon tank should only be used to house one or two large fish, such as a single adult Oscar or a pair of angelfish. The tank should be equipped with a powerful filtration system that can handle the increased waste output of the large fish. A good rule of thumb is to choose a filter that can handle at least twice the volume of water in the tank per hour.

Secondly, the tank should be decorated with plenty of hiding spots and plants to provide the fish with a sense of security and to mimic their natural habitat. Large fish also require plenty of swimming space, so it is important to avoid overcrowding the tank with too many decorations or fish.

Lastly, regular water changes and maintenance are essential for keeping your large fish healthy in a 55-gallon tank. Aim to change 20-30% of the water every two weeks and test the water regularly for ammonia, nitrite, and nitrate levels. Maintaining a healthy tank environment will help prevent diseases and ensure the longevity of your large fish.

What is the lifespan of large fish in a 55 gallon tank?

The lifespan of large fish in a 55 gallon tank varies depending on the species of fish and their individual needs. Generally, larger fish tend to have longer lifespans than smaller fish. For instance, some large fish like Oscar fish can live up to 10-15 years or more if they are provided with proper care and a healthy environment. However, some other large fish like Goldfish have an average lifespan of around 10-15 years. It is important to note that a 55 gallon tank may not be suitable for all types of large fish, as some species require much larger tanks to thrive. Additionally, factors such as water quality, diet, and genetics also play a role in the lifespan of fish. Therefore, it is crucial to research and understand the specific needs of the particular species of fish before keeping them in a 55 gallon tank.

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