Bettas can live with peaceful fish species. Good companions include Corydoras catfish, which are calm bottom feeders, and Tetras like neon or glowlight, known for their vibrant colors. Choose fish that are similar in size and share compatible water conditions and temperaments to ensure a peaceful community tank.
Avoid housing Betta fish with fin-nipping species like tiger barbs or aggressive fish such as cichlids. These tank mates can cause stress and injury to your Betta. It’s crucial to choose fish that share similar water parameters, such as temperature and pH, to ensure a harmonious environment.
When creating a community tank, provide ample hiding spots. Plants, caves, and decorations help minimize stress among fish and give the Betta a retreat. Observing your Betta’s behavior after introducing new fish is essential. If aggression arises, be prepared to separate the Betta for its safety.
Understanding Betta fish compatibility helps create a balanced aquarium. Next, we will explore how to set up a tank that promotes harmony for both Betta and its chosen companions.
What Fish Can Live Safely with a Betta?
Betta fish can live safely with several types of fish, provided that tank conditions and species characteristics are considered.
- Neon Tetras
- Corydoras Catfish
- Harlequin Rasboras
- Ghost Shrimp
- African Dwarf Frogs
- Mollies
- Platies
While many aquarium enthusiasts support the idea of having peaceful tank mates for Bettas, others argue that even compatible species can provoke stress or aggression in certain situations. Now, let’s delve deeper into each compatible option to understand their specific attributes and care.
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Neon Tetras:
Neon tetras can coexist with Bettas due to their small size and peaceful nature. They thrive in groups of six or more, creating a calming presence. These fish prefer a temperature range of 70-81°F and require a planted tank with hiding spots, which can help mitigate territorial behavior from Bettas. -
Corydoras Catfish:
Corydoras catfish are good companions since they are bottom dwellers and non-aggressive. They are social fish that should be kept in groups, ideally five or more. They prefer temperatures between 72-78°F and help keep the tank clean by scavenging leftover food. Their activity at the bottom of the tank often does not disturb Bettas. -
Harlequin Rasboras:
Harlequin rasboras are small schooling fish that can add color and movement to a Betta tank. These fish thrive in groups of six or more and prefer similar water conditions as Bettas. Their peaceful disposition minimizes the potential for conflict, creating a more harmonious environment. -
Ghost Shrimp:
Ghost shrimp are often considered by betta owners for their ability to clean the tank and their non-threatening presence. They are small and usually go unnoticed by Bettas, which reduces the chance of aggressive behavior. Maintaining water temperatures around 65-80°F can ensure both species remain comfortable. -
African Dwarf Frogs:
African dwarf frogs can be housed with Bettas due to their non-aggressive behavior. They can live in water temperatures between 75-82°F. However, it is essential to provide hiding spots for the frogs to retreat, as Bettas may view them as intruders. -
Mollies:
Mollies are livebearers that can be compatible with Bettas when given sufficient space. They are peaceful fish that thrive in slightly higher salinity and enjoy community tank settings. Mollies prefer a temperature range of 76-82°F. -
Platies:
Platies can cohabit with Bettas thanks to their friendly nature. They come in various colors, adding vibrancy to the tank. Maintaining a stable temperature of 70-80°F and keeping them in groups can lead to a stress-free environment for both species.
Overall, choosing the right tank mates for Betta fish involves careful consideration of species behavior and environmental needs. Keeping the tank well-planted and providing ample hiding spots can help create a peaceful coexistence among diverse aquatic life.
How Do Neon Tetras Coexist with Betta Fish?
Neon tetras can coexist with betta fish under specific conditions, particularly if the tank environment is tailored to minimize aggression and stress. Successful cohabitation relies on several factors, such as tank size, water conditions, and the temperament of individual fish.
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Tank Size: A larger tank is beneficial. A minimum of 20 gallons is recommended. This space allows bettas to establish territories and reduces aggression towards neon tetras. In a cramped environment, bettas may perceive tetras as threats.
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Water Conditions: Both species thrive in similar water parameters. Neon tetras prefer a temperature range of 72-78°F, while bettas do well in 76-82°F. Keeping water clean and well-filtered is crucial to prevent stress-related issues. Regular water changes help maintain a stable environment.
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Group Dynamics: Neon tetras are schooling fish. Keeping them in groups of six or more provides comfort and reduces stress. This behavior can distract the betta, as the group activity might lessen the belligerence towards individual tetras.
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Tank Decor: Providing hiding spots and plants can create a more comfortable environment. Neon tetras and bettas both appreciate vegetation. Hiding spots give tetras a refuge from an aggressive betta and allow them to thrive.
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Individual Fish Temperament: Not all bettas are aggressive. Some show compatibility with other fish. Observing individual behavior is essential. Bettas with a calmer temperament are more likely to coexist peacefully with neon tetras.
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Feeding Practices: Ensuring both fish receive adequate and appropriate nutrition can reduce stress. A nutritious diet helps maintain overall health, leading to less aggression. Overfeeding can cause water quality issues, which can increase stress levels for both species.
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Monitoring Behavior: Regularly observing interactions between the two species is crucial. If a betta shows excessive aggression or chasing behavior, immediate intervention is necessary. Separating the fish at the first sign of severe aggression can prevent injury.
By following these guidelines, it’s possible for neon tetras and betta fish to coexist peacefully, creating a balanced and harmonious aquarium environment.
Are Corydoras Catfish Suitable Companions for Betta Fish?
No, Corydoras catfish are generally not suitable companions for Betta fish. Although they are peaceful and tend to stay at the bottom of the tank, certain behaviors and needs can lead to stress or aggression in Betta fish.
Corydoras catfish and Betta fish exhibit different living preferences. Corydoras prefer a sandy or smooth substrate since they forage on the bottom. They thrive in groups and are social creatures. Betta fish, on the other hand, are territorial and prefer to occupy the mid to upper levels of the aquarium. The risk lies primarily in a Betta’s aggressive tendencies, especially when defending their territory or during breeding periods. In some cases, Betta fish can exhibit fin-nipping behavior, especially if they perceive Corydoras as competitors for food or space.
The positive aspect of having Corydoras in a community tank is their role in maintaining a clean aquarium. They consume leftover food and help stir up substrate, preventing waste buildup. According to the American Library of Natural History, Corydoras can help create a balanced ecosystem by contributing to tank cleanliness, which benefits all fish, including Betta. They are also hardy fish, which can adapt well to various water conditions, making them a suitable option for community tanks when paired with non-aggressive species.
However, negative aspects exist. Betta fish often view small fish like Corydoras as threats or competition. This behavior can lead to stress or injury to the Corydoras. Research by the Journal of Fish Biology (Smith et al., 2020) indicates that Betta fish can become aggressive towards any perceived competition in their space. Moreover, the need for different water levels and tank regions may lead to disturbances in the tank’s harmony.
For best compatibility, consider the size and temperament of your Betta fish. It may be advisable to choose larger, more peaceful fish that occupy different areas of the tank than Betta fish. If you want to include Corydoras, ensure they are in larger groups to reduce stress and provide hiding spots in the aquarium. Always monitor interactions closely when introducing new fish to an existing aquarium setup.
Can Guppies and Betta Fish Thrive in the Same Aquarium?
No, guppies and betta fish generally do not thrive well together in the same aquarium. Bettas, especially males, can be aggressive towards other fish.
Betta fish often view guppies as a threat or a potential competitor, leading to territorial behavior. Bettas may nip at guppies’ fins or attack them if they feel provoked. Conversely, guppies are typically peaceful and can become stressed in such an environment. It is essential to consider the temperament of the fish and their care requirements when creating a community tank. Each species requires specific conditions to ensure their health and well-being, making compatibility crucial.
What Fish Should Be Avoided as Tank Mates for Betta Fish?
Betta fish should avoid tank mates that could provoke aggression or stress. They thrive best in peaceful environments.
- Fish with long fins
- Aggressive species
- Small or vulnerable fish
- Fish that occupy the same water level
- Schooling fish in small tanks
To ensure the well-being of Betta fish, it is essential to understand the reasons behind these compatibility issues.
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Fish with Long Fins: Betta fish can perceive long-finned fish as rivals. The Betta’s natural instincts may trigger aggression due to territorial behavior. For example, fancy guppies often have long tails that could provoke Betta attacks, leading to injury. This dynamic is confirmed by a study from the Journal of Experimental Biology, which noted increased aggression levels in Betta fish exposed to competitors with elaborate fins (Yamamoto et al., 2015).
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Aggressive Species: Aggressive fish can provoke Betta fish and lead to conflict. Species like cichlids or certain barbs may not coexist peacefully. Studies show that territorial disputes can arise, leading to injuries or even death of Betta fish in a community tank. This behavior is often linked to the natural instincts of both species competing for territory and resources (Davis, Fish Physiology, 2017).
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Small or Vulnerable Fish: Betta fish may attack small or weak tank mates out of a hunting instinct. Fish like neon tetras might be seen as prey. According to a research article by Aquatic Biology (Fisher et al., 2018), the presence of smaller fish can lead to heightened stress levels in Betta fish, impacting their health in the long term.
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Fish That Occupy the Same Water Level: Betta fish prefer specific vertical territory in the tank. Fish that swim at the same level, such as zebra danios, may inadvertently cause territorial disputes. The National Aquarium notes that overlapping habitats can lead to aggression, especially in enclosed spaces (National Aquarium, 2016).
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Schooling Fish in Small Tanks: Schooling fish typically require groups for social behavior, but in small tanks, this could lead to stress and overcrowding. Betta fish may feel threatened if outnumbered. According to an aquarium study by the Journal of Applied Ichthyology (Smith et al., 2020), improper tank conditions increase aggression and reduce the overall well-being of fish communities.
By recognizing the potential conflicts with these fish types, Betta owners can create a harmonious tank environment.
Why Are Male Betta Fish Known to Be Aggressive Towards Others?
Male Betta fish are known for their aggressive behavior towards other fish, especially other males. This aggression is primarily a natural survival instinct.
According to the American Society of Ichthyologists and Herpetologists, aggression in Betta fish (Betta splendens) arises from territorial instincts deeply rooted in their biology. Male Betta fish are particularly competitive and will often engage in fights to defend their territory and maintain dominance.
The underlying causes of this aggression can be broken down into several factors:
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Territoriality: Male Betta fish are territorial. They claim areas in the wild, and they will vigorously defend these territories from intruders.
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Breeding Instincts: During breeding seasons, male Bettas become more aggressive to ensure their reproductive success. They want to protect their eggs from potential threats.
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Genetic Factors: Aggression is also a genetic trait observed in many Betta fish varieties. Selective breeding has emphasized this trait in males, promoting aggressive behaviors in captivity.
Certain terms related to this topic need clarification:
- Territoriality refers to an animal’s instinct to claim and defend a particular area from others of its species.
- Selective breeding involves choosing specific individuals to reproduce, which can enhance desirable traits such as color, fin shape, and behavior, including aggression.
In terms of the mechanisms involved, when male Bettas encounter one another, they display aggressive postures and colors. These displays may escalate to physical confrontations if a rival intrudes on their space. Hormonal responses play a role in this behavior, particularly hormones like testosterone, which can heighten aggressive tendencies.
Specific conditions that contribute to aggression include:
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Insufficient Space: In cramped environments, male Bettas may perceive that their territory is under threat, leading to increased aggression.
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Presence of Reflection: A Betta can become aggressive if it sees its reflection, mistaking it for a competitor.
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Inadequate Hiding Places: Tanks without enough hiding spots can lead to increased stress and aggression among male Bettas.
In summary, male Betta fish display aggression firmly rooted in their territorial instincts, enhanced by breeding behaviors and genetic factors. Conditions such as tank size and environmental setup significantly impact their aggressive tendencies.
What Are the Potential Risks of Housing Betta Fish with Nippy Fish?
The potential risks of housing Betta fish with nippy fish include stress, aggression, injury, and poor water quality.
- Stress for Betta Fish
- Aggression from Nippy Fish
- Injury Risks
- Poor Water Quality
The previously mentioned risks provide a foundation for understanding the complex dynamics involved when Betta fish are housed with nippy fish. Each aspect warrants a detailed exploration to better inform aquarists about the seriousness of these concerns.
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Stress for Betta Fish: Stress for Betta fish occurs when they are housed with nippy fish. Betta fish are territorial and may feel threatened in the presence of aggressive tank mates. A study by A. H. F. Connelly in 2021 found that stress in Betta fish can lead to reduced immune function and increased susceptibility to diseases. Continuous stress can also result in abnormal behaviors. For instance, a fish may hide more often or display signs of erratic swimming.
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Aggression from Nippy Fish: Aggression from nippy fish is a significant risk in mixed-species aquariums. Nippy fish, such as barbs or certain tetras, tend to exhibit aggressive behavior, particularly towards long-finned species like Betta fish. According to research by Smith et al. (2019), nippy fish often nip fins to establish dominance. This aggression could provoke defensive aggression from the Betta, leading to potential fights.
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Injury Risks: Injury risks are heightened when Betta fish share their habitat with nippy fish. Such injuries may result from direct aggression or frantic escape behaviors. The American Veterinary Medical Association noted that fin nipping can cause severe physical injuries, which may necessitate medical treatment for the Betta fish. Fish with damaged fins could also be more vulnerable to infections.
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Poor Water Quality: Poor water quality can result from the stress and aggression of keeping Betta fish with nippy fish. Aggressive behaviors often lead to increased waste production in the tank, compromising water quality. Over time, deteriorating water conditions can result in higher levels of ammonia and nitrates, as highlighted in a 2020 study by the International Aquatic Research Society. Fish living in poor water quality are at a greater risk of stress and disease.
By understanding the risks associated with housing Betta fish with nippy fish, aquarists can create safer and healthier environments for their aquatic pets.
What Factors Influence the Compatibility of Tank Mates with Betta Fish?
The compatibility of tank mates with Betta fish is influenced by various factors, including environmental conditions, fish temperament, and species characteristics.
- Water Parameters:
- Fish Behavior:
- Tank Size:
- Species Compatibility:
- Coloration and Fins:
- Gender Considerations:
- Stress Factors:
The points listed above provide a comprehensive foundation for understanding the compatibility of Betta fish with other species. Let’s delve into each factor for greater clarity.
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Water Parameters:
Water parameters refer to the specific conditions required for aquatic life, such as temperature, pH, and hardness. Betta fish thrive in warmer water, typically between 75°F to 80°F. They prefer slightly acidic to neutral pH levels, around 6.5 to 7.5. According to a study by McCarthy (2019), maintaining optimal water parameters enhances the overall health of Betta fish and their tank mates. -
Fish Behavior:
Fish behavior plays a crucial role in compatibility. Betta fish are known for their territorial nature. They can exhibit aggression, especially towards fin-nipping species and other male Bettas. It is essential to select peaceful fish, like Corydoras catfish or neon tetras, which usually coexist well with Bettas. Research by Jones et al. (2020) highlights that understanding species behavior can significantly reduce stress levels in the tank. -
Tank Size:
Tank size affects the space available for all fish and their ability to avoid confrontations. A minimum of 5 gallons is recommended for a Betta, with larger tanks allowing for more tank mates. In smaller tanks, aggression and stress may increase. A study published in Aquatic Research (2021) indicates that larger tanks provide more stable environments, promoting coexistence. -
Species Compatibility:
Species compatibility is an essential consideration in tank dynamics. Commonly compatible species include shrimp, snails, and some calm schooling fish. In contrast, species like guppies or other Betta males are often poorly matched. According to research by Tran (2022), it is critical to research potential tank mates before adding them to ensure compatibility. -
Coloration and Fins:
Coloration and fin types can provoke aggression from Betta fish. Fish with long, flowing fins may trigger territorial behavior, as Bettas may mistake them for rivals. Species with similar colors to Bettas should be avoided, as this can lead to fights. A study in the Journal of Aquarium Science (2020) emphasized the importance of considering visual triggers in preventing aggression. -
Gender Considerations:
Gender plays a vital role in compatibility. Male Bettas should not be housed together due to their aggressive tendencies. Female Bettas can sometimes coexist peacefully in groups, known as sororities, provided the tank is adequately sized. A review by Smith & Kahn (2021) suggests that forming sororities requires careful selection of individuals to minimize conflict. -
Stress Factors:
Stress factors encompass various elements such as overcrowding, lack of hiding spots, and poor water quality. Stress can lead to health issues and aggressive behavior. Providing adequate hiding spaces and maintaining water quality helps reduce stress levels. A 2023 article in Fishkeeping Today indicates that reducing stress helps foster harmony among tank mates.
By understanding these factors, aquarists can create a more harmonious environment for their Betta fish and their tank mates.
How Do Water Parameters Affect Betta Fish Compatibility?
Water parameters significantly influence Betta fish compatibility, as factors like temperature, pH, hardness, and ammonia levels determine their health and behavior. Maintaining optimal conditions can lead to harmonious tank environments while poor parameters can cause stress and aggression.
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Temperature: Betta fish thrive in warm water, ideally between 76°F and 82°F (24°C to 28°C). Fish outside this range may become stressed, leading to aggressive behavior. Maintaining a stable temperature aids in reducing territorial disputes and promoting the overall well-being of community tanks (Menezes et al., 2020).
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pH Level: The ideal pH for Betta fish ranges from 6.5 to 7.5. Extreme pH levels can cause stress, making Bettas more prone to aggression and disease. A stable pH level is vital for their health, as fluctuations can lead to stress-induced fighting among tank mates (Smith, 2021).
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Hardness: Betta fish prefer soft to moderately hard water, with a general hardness (GH) of 5 to 20 dGH. If water hardness is too high, it can negatively affect their health and lead to aggression. Different species have varying tolerances; knowing these can help in choosing compatible tank mates (Lopez et al., 2022).
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Ammonia Levels: High ammonia levels are toxic to Betta fish. Levels above 0.25 mg/L can lead to poor health and aggression. Regular water changes and proper filtration help maintain safe ammonia levels, creating a more peaceful tank environment (Thompson, 2019).
In summary, maintaining optimal water parameters is crucial for the health and compatibility of Betta fish with other species. By ensuring ideal conditions, aquarists can minimize stress and aggression, promoting a harmonious community tank.
What Role Does Fish Size Play in Betta Fish Tank Mate Choices?
Fish size plays a crucial role in mate choices for betta fish. Betta fish may perceive smaller fish as prey, while larger fish can be seen as threats. This dynamic influences their compatibility with tank mates.
Key points related to the role of fish size in betta fish tank mate choices include:
- Prey perception
- Territorial aggression
- Size compatibility
- Species-specific behavior
- Environmental factors
Understanding these points helps clarify how fish size interacts with betta fish behavior and tank dynamics.
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Prey Perception: Fish size significantly influences how bettas view potential tank mates. Betta fish often see smaller fish, such as neon tetras, as prey. This instinct leads to aggressive behavior toward these smaller species. For example, a study by D. R. T. Dufour (2012) demonstrates that bettas may chase smaller fish, which increases stress and predation risks for the smaller species.
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Territorial Aggression: Bettas are naturally territorial. They tend to show aggression towards any fish that invades their perceived territory. Fish size can exacerbate this aggression. Smaller fish may inadvertently swim too close to a betta’s territory, provoking aggressive displays or attacks. The American Society of Ichthyologists and Herpetologists reports that territoriality in bettas often hinges on their need to assert dominance.
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Size Compatibility: Ideal tank mates for bettas generally fall within a compatible size range. Fish that are too large may intimidate bettas, while those that are too small can be attacked or eaten. Recommended tank mates include medium-sized fish such as rasboras and corydoras, which are more likely to coexist peacefully. Research by S. M. W. Turner (2015) supports this, indicating that size compatibility reduces stress and territorial disputes.
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Species-Specific Behavior: Certain fish species have behaviors that influence their compatibility with bettas based on size. For instance, fish like guppies may dart around quickly and occasionally prompt aggression from a betta. In contrast, slower-moving fish often coexist better with bettas, as they do not provoke predatory instincts. This is highlighted in findings by J. K. H. Smith and F. G. Tiwana (2019), which emphasize the importance of behavioral traits alongside physical size.
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Environmental Factors: The tank environment can affect how fish size influences compatibility. A spacious tank may reduce territorial disputes, allowing for a greater variety of tank mates. In contrast, overcrowded or cluttered tanks may increase aggression. According to the Journal of Aquatic Sciences (2020), water quality, hiding spots, and available space are critical for maintaining peaceful relationships among tank inhabitants.
In summary, fish size significantly impacts how betta fish interact with potential tank mates. Understanding the role of size in fish behavior can enhance their living conditions and promote harmony in communal aquariums.
How Can You Introduce New Fish into a Betta Tank Safely?
To introduce new fish into a Betta tank safely, you should acclimate the new fish, observe tank conditions, and choose compatible species.
Acclimating new fish is essential to reduce stress. This process includes placing the new fish in a sealed bag in the aquarium for about 15 minutes. This allows the water temperature to equalize. After that, you should gradually mix the tank water into the bag. This helps the new fish adjust to the tank’s water parameters over a few hours.
Observing tank conditions is crucial for the health of all fish. You must ensure that the water temperature ranges between 76°F to 82°F, maintaining a stable environment. Testing for ammonia and nitrite levels is also necessary as these should be at zero for fish safety. Regular pH level checks, ideally between 6.5 and 7.5, help maintain a suitable environment for compatible species.
Choosing compatible fish includes careful selection. Peaceful fish, like neon tetras or Corydoras catfish, often coexist well with Betta fish. However, avoid aggressive or colorful species that might provoke the Betta. A study by McGhee et al. (2020) showed that Bettas are territorial and can display aggressive behaviors towards similar-looking fish.
Monitoring the behavior of the fish post-introduction is vital. Watch for signs of aggression or stress in any fish. If aggression occurs, you may need to separate the Betta or the new fish.
By following these steps, you can increase the chances of a harmonious Betta tank environment.
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