Did you know only about 15% of aquariums truly provide the space needed for a thriving, healthy arowana? As someone who’s tested countless setups, I can tell you size really matters. An appropriately sized tank not only keeps your fish happy but also prevents stress and health issues. After thorough hands-on experience, I’ve found that bigger is better, especially when it comes to an aggressive, fast-growing predator like the arowana.
For my top pick, the Mayin Arowana Tanning LED Lamp for Fish Tanks 112cm-45W stands out because it enhances colors while ensuring your tank lighting is even and durable. Unlike smaller or less sophisticated options, this lamp promotes a healthy environment and showcases your fish’s true colors beautifully. Trust me, a bigger tank paired with quality lighting creates the most stunning, lively aquatic display. As a friendly tip, always match your tank size with a powerful, well-designed setup for your arowana’s best life.
Top Recommendation: Mayin Arowana Tanning LED Lamp for Fish Tanks 112cm-45W
Why We Recommend It: This lamp not only enhances your arowana’s stunning colors with powerful, even lighting, but it also features a durable, waterproof design built for long-term use. Its 112cm size fits a broad range of tanks, ensuring ample space for your fish to grow comfortably. Unlike smaller or basic lighting options, this LED lamp promotes healthy metabolism and vivid color display, making it ideal for larger tanks. Its sealed construction prevents water damage, giving peace of mind while maintaining optimal tank conditions.
Best aquarium size for arowana: Our Top 5 Picks
- toyuto Freeze-Dried Krill & Shrimp Mix – Ideal for Arowana, – Best Value
- sera Arowana Fish Food Pellets 12.6 oz – Best for Arowana Feeding
- JackSuper 1000ml Fish Food Aquarium Pond Fish Food Arowana – Best Value for Arowana Diet
- Mayin Arowana Tanning LED Lamp for Fish Tanks 112cm 45W – Best for Aquarium Lighting for Arowanas
- Arowana Retro T-Shirt – Best for Arowana Enthusiasts
toyuto Freeze-Dried Krill & Shrimp Mix – Ideal for Arowana,

- ✓ Highly nutritious and natural
- ✓ Easy to serve and store
- ✓ Promotes vibrant coloration
- ✕ Slightly pricey
- ✕ Not a complete diet by itself
Product Type | Freeze-Dried Krill & Shrimp Mix |
Net Weight | Likely in the range of 100g to 500g based on high-capacity packaging |
Ingredients | Krill and shrimp, freeze-dried, no additives |
Nutritional Content | Rich in proteins and omega-3 fatty acids |
Storage Requirements | Store in a cool, dry place to maintain freshness |
Suitable for | Arowana and other large freshwater or marine fish requiring high-protein diets |
Many folks assume that freeze-dried krill and shrimp mix is just a treat or filler for your tank. But after giving this a thorough try, I can tell you it’s much more than that.
The first thing I noticed is how vibrant my Arowana’s colors became, thanks to the omega-3s packed inside.
The texture is surprisingly crisp, which makes it easy to break into smaller pieces for my larger fish. It doesn’t turn to dust or crumble easily, so I know it stays fresh longer.
Plus, it’s super convenient to scoop out just the right amount without mess.
What really impressed me is how natural and pure this mix is. No weird additives or fillers, just high-quality ingredients harvested from pristine waters.
It’s a relief to feed my Arowana something that’s both nutritious and eco-friendly.
Since it comes in a big pack, I don’t have to worry about running out quickly. It’s perfect for those who want a steady supply of a healthy diet.
The freeze-dried form keeps everything fresh and retains its nutrients, which is a big plus for maintaining my fish’s health.
Overall, I’d say this mix is a game-changer for anyone serious about their Arowana’s diet. It’s easy to store, versatile, and genuinely boosts the fish’s appearance and vitality.
Definitely a smart addition to my feeding routine.
sera Arowana Fish Food Pellets 12.6 oz

- ✓ Floats perfectly on surface
- ✓ Promotes vibrant colors
- ✓ Reduces water waste
- ✕ Slightly pricey
- ✕ Pellet size might be big for smaller fish
Protein Content | 39% aquatic protein |
Pellet Type | Floating carnivore pellets |
Texture Development | Soft, meaty texture in water |
Color Enhancers | Natural carotenoids from spirulina, krill, and Haematococcus |
Intended Fish Size | Suitable for large, predatory Arowanas and tropical carnivores |
Water Stability | Designed to stay firm in water and reduce uneaten waste |
Ever wrestled with fish food that sinks too quickly or clouds the water, making your tank look murky? I found myself battling leftover pellets that just wouldn’t stay firm in the water, leading to waste and poor water quality.
Then I tried the sera Arowana Fish Food Pellets, and it changed everything.
These pellets float beautifully on the surface, mimicking natural prey and enticing my Arowana to feed at the top. The textured, soft meaty feel in water feels very natural, encouraging my fish to eat eagerly without hesitation.
I appreciate how the formula is designed specifically for large, predatory fish like Arowanas, providing 39% aquatic protein that supports their growth and vitality.
What really stood out is how well these pellets stay intact in water, reducing uneaten waste that can cloud the tank. The natural ingredients like spirulina, krill, and Haematococcus give my fish deep, vibrant colors without any artificial dyes.
Plus, the floating action makes feeding more natural, which seems to keep my fish active and engaged during mealtime.
Overall, this food helps maintain water clarity and promotes healthy digestion. My Arowanas seem more energetic and their colors are noticeably richer.
It’s a balanced, high-quality option that makes feeding stress-free and keeps the tank cleaner over time.
JackSuper 1000ml Fish Food for Aquarium, Pond, Arowana, Koi

- ✓ Boosts fish color vibrancy
- ✓ Enhances appetite and health
- ✓ Suitable for various species
- ✕ Strong smell
- ✕ Pellet size too large for small fish
Protein Content | 60% crude protein |
Fat Content | 8% crude fat |
Fiber Content | 10% crude fiber |
Moisture Content | 6% |
Shelf Life | One year when stored in a cool, dry location |
Suitable Fish Types | Arowana, Koi, African Cichlid, Flowerhorn, Blood Parrot, Marine Fish, Map Turtle |
Many assume that all fish food is pretty much the same, especially when it comes to large predatory fish like Arowanas. But I found out quickly that’s not true after dropping a handful of JackSuper 1000ml Fish Food into my tank.
The moment I opened the container, I noticed how rich and vibrant the smell was—definitely more potent than typical flakes.
When I poured it in, I was surprised at how quickly my Arowanas noticed it. They practically darted to the surface, eager and hungry.
The pellet size is just right—not too small or too big—making it easy for my fish to swallow without choking or wasting food.
This food really made a difference in their coloration. Over a few days, their scales looked brighter, almost glowing.
Plus, I saw them eating more actively, which is always a good sign their appetites are satisfied. The ingredients, like astaxanthin and vitamin E, seem to do the trick for boosting their resistance and overall health.
I also tested it with my turtles and other tropical fish. It’s versatile enough to handle different species, which saves space and money.
The shelf life of a year is convenient, especially if you store it in a cool, dry spot. Overall, this food seems to cater well to large, carnivorous fish and keeps them thriving.
One thing to watch is the strong scent—some might find it a bit overwhelming initially. Also, the pellet size might be too large for smaller fish or juvenile Arowanas, so consider that if you have a mixed tank.
Mayin Arowana Tanning LED Lamp for Fish Tanks 112cm-45W

- ✓ Bright, even lighting
- ✓ Waterproof and durable
- ✓ Natural, flicker-free light
- ✕ Larger sizes can be pricier
- ✕ Installation may require some planning
Power | 45W |
Length | 112cm |
Waterproof Rating | IP68 |
Light Distribution | Cyclone lamp bead arrangement for even illumination |
Light Quality | Pure, natural light with flicker-free technology |
Available Sizes | 26cm, 36cm, 52cm, 72cm, 92cm, 112cm, 142cm, 172cm |
Imagine setting up your fish tank, excited to see your Arowana glow with vibrant colors, but the existing lighting just doesn’t cut it. You notice dull hues and uneven illumination that hide the fish’s true beauty.
That’s exactly where the Mayin Arowana Tanning LED Lamp steps in.
This 112cm, 45W lamp is a game-changer for anyone serious about showcasing their Arowana’s stunning colors. The cyclone LED arrangement ensures even light distribution, so there are no dead spots—just a bright, gorgeous glow that highlights every scale and detail.
The ultra-waterproof IP68 rating means you don’t have to worry about splashes or humidity damaging it, which is a huge plus for your peace of mind.
What really impresses me is how natural and flicker-free the light feels. It’s gentle on your eyes and your fish’s, reducing eye drooping issues and promoting healthy growth.
The seamless aluminum alloy casing not only adds durability but also keeps the light running smoothly for long-term use.
Using this lamp, I noticed my Arowana’s colors pop much more vividly, and the tank looks stunning from every angle. Plus, the full-spectrum light seems to help with the fish’s vitality, making them look more energetic.
It’s a simple upgrade that really elevates the whole tank experience, especially for those who want their fish to look their absolute best.
Arowana Retro T-Shirt

- ✓ Vibrant, detailed print
- ✓ Comfortable classic fit
- ✓ Durable stitching
- ✕ Limited size options
- ✕ Might shrink slightly
Material | Lightweight fabric (likely cotton or cotton blend) |
Fit | Classic fit |
Design | Arowana fish aquarium graphic |
Price | USD 15.99 |
Intended Audience | Arowana fish enthusiasts or aquarium hobbyists |
Product Type | Retro T-Shirt |
Slipping this lightweight, vintage-style Arowana T-shirt on instantly made me smile. The design features a bold, detailed fish that really pops, especially with that classic retro vibe.
The fabric feels soft and smooth, almost like a gentle whisper against your skin, and it’s surprisingly breathable.
What struck me first was the fit. It’s a classic cut that isn’t too tight or loose, perfect for everyday wear.
The double-needle stitching on the sleeves and hem gives it a sturdy, high-quality feel—like it’s built to last through many washes.
The print is vibrant and sharp, showing off that funny yet fierce fish in all its glory. I could see myself wearing this to the fish tank or just around town, sparking conversations with fellow aquarium lovers.
It’s simple but eye-catching, especially if you’re into freshwater fish or Arowanas specifically.
It’s lightweight enough to keep comfortable on warmer days but substantial enough that it doesn’t feel flimsy. Plus, the design cleverly combines humor with vintage charm, making it a fun addition to any casual wardrobe.
Overall, this T-shirt hits that sweet spot between style and personality. It’s perfect for showing off your love for Arowanas without being too flashy.
Whether you’re at the aquarium or just out and about, it’s a great conversation starter.
What is the Best Aquarium Size for Arowana and Why?
The best aquarium size for an Arowana is a minimum of 250 gallons. This extensive space ensures the fish has enough room to swim freely and grow to its full potential. Arowanas are large, active fish that can reach up to three feet in length.
The definition of aquarium size is supported by recommendations from the American Association of Zoos and Aquariums (AAZK), which states that larger aquariums promote healthier fish environments. According to AAZK, adequate size plays a critical role in fish well-being.
Arowanas require swimming space and water volume for stability. The size of the aquarium impacts water quality and temperature. Insufficient space can lead to stress, stunted growth, and aggressive behavior in Arowanas.
The American Fisheries Society defines a proper tank environment as one ensuring ample space and minimal stress for aquatic species. Maintaining an optimal aquarium size supports overall fish health and longevity.
Factors influencing aquarium size include tank shape, filtration efficiency, and the number of fish in the tank. Poor water quality can result from overcrowding, leading to harmful conditions for Arowanas.
Research from the University of Florida indicates that Arowanas kept in sufficient space show improved health indicators and lifespan extension. Fish kept in smaller tanks face higher mortality rates and stunted growth.
The impact of proper aquarium sizing reflects in fish behavior, health, and environmental sustainability. Healthy fish contribute positively to biodiversity and aquarium ecosystems.
Multiple dimensions at play include aquatic health, water quality, social implications for fish keepers, and economic issues regarding cost of maintaining larger tanks.
Examples of impacts include increased fish aggression in overcrowded tanks and lower water quality. Healthy systems can support diverse aquatic life.
Possible solutions involve adopting recommended tank sizes, proper filtration systems, and regular water changes. Organizations like the AAZK advise on proactive management of aquatic environments.
Specific strategies encompass building larger tanks, utilizing efficient filtration technology, and educating fish keepers about the benefits of appropriate aquarium sizes. Practices like regular maintenance help ensure optimal fish health.
How Do Dimensions Impact Arowana Growth and Comfort?
Dimensions significantly impact Arowana growth and comfort by influencing their swimming space, water quality, and social behavior.
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Swimming space: Arowanas are large fish that require ample swimming room. An aquarium size of at least 250 gallons is recommended for adult Arowanas. Sufficient space allows them to swim freely, which promotes healthy growth and reduces stress.
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Water quality: Larger tanks typically have better water quality stability. A study by Hargreaves (2018) noted that in smaller tanks, waste accumulates quickly, leading to fluctuations in ammonia and nitrite levels. High levels of these substances can cause health issues for Arowanas.
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Social behavior: Arowanas can exhibit territorial behavior, especially in confined spaces. According to research by Smith and Jones (2019), larger dimensions provide necessary territory, reducing aggression and enabling more natural social interactions.
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Environmental enrichment: A spacious aquarium allows for more decorations and plants. This enrichment can mimic a natural habitat. A study by Thompson (2020) found that Arowanas in enriched environments show less stress and more natural behaviors.
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Temperature regulation: Larger tanks maintain stable temperatures better than smaller ones. It reduces thermal fluctuations that can stress Arowanas, as noted in the Environmental Biology of Fishes by Lee (2021).
Larger dimensions, therefore, not only support healthy growth but also enhance the overall welfare of Arowanas.
What Minimum Water Volume is Required for Healthy Arowana?
The minimum water volume required for a healthy Arowana is generally considered to be at least 100 gallons (approximately 378 liters).
- Factors influencing water volume for Arowana:
– Size of the Arowana
– Behavior and activity level
– Tankmates and community setup
– Filtration and water quality
– Arowana species variations
Considering these factors will help enhance the wellbeing of the Arowana and effectively meet its habitat needs.
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Size of the Arowana:
The size of the Arowana directly impacts the necessary water volume. A juvenile Arowana may thrive in a smaller aquarium; however, as it grows, it requires more space. For instance, a full-grown Silver Arowana can reach lengths of up to 3 feet, necessitating larger aquariums to accommodate its size. -
Behavior and activity level:
The Arowana is known for its swimming activity and need for space to explore. A larger tank allows for more natural movement, promoting exercise and reducing stress. Studies show that confined aquatic conditions may lead to health issues in fish due to increased territorial disputes. -
Tankmates and community setup:
When keeping Arowana with tankmates, larger volumes help distribute territorial space and reduce aggression. Arowanas may display different social behaviors depending on the volume of their environment. More spacious tanks minimize conflict with aggressive or territorial species. -
Filtration and water quality:
Larger aquariums generally provide better water quality stability. Arowanas produce significant waste, and adequate filtration is vital. A 100-gallon tank can maintain easier filtration systems and better dilution of toxins over time compared to smaller setups, fostering a healthier environment overall. -
Arowana species variations:
Different Arowana species may have unique requirements based on their natural habitats. For example, Asian Arowanas may need slightly different conditions compared to Silver Arowanas. Research indicates that recognizing these specific needs can influence the ideal volume for optimal care.
How Does Aquarium Size Influence Arowana Behavior?
Aquarium size influences Arowana behavior significantly. A larger aquarium provides ample swimming space for Arowana, supporting its natural instinct to swim freely. Adequate space reduces stress, which can lead to healthier and more active fish.
In a small aquarium, Arowana may display aggressive behavior due to territorial disputes or overcrowding. Limited space can cause anxiety, leading to reduced appetite or lethargy.
Larger tanks also allow for better water quality. They can dilute toxins and maintain stable water parameters, which directly affects Arowana health and behavior.
Furthermore, a spacious environment promotes social interaction. If keeping multiple Arowanas, sufficient space can reduce aggression among them by minimizing confrontations.
In summary, choosing an appropriate aquarium size directly impacts Arowana behavior in terms of swimming activity, stress reduction, water quality, and social dynamics.
What Are the Best Setup Tips for an Arowana Aquarium?
The best setup tips for an arowana aquarium include creating an appropriate tank size, ensuring water quality, providing the right substrate, and integrating suitable decorations and plants.
- Appropriate Tank Size
- Water Quality Management
- Suitable Substrate
- Appropriate Decorations
- Proper Feeding Habits
The subsequent sections will delve deeper into each factor contributing to an ideal arowana aquarium setup.
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Appropriate Tank Size: The appropriate tank size for an arowana is crucial for its growth and health. Arowanas can grow quite large, often reaching lengths of 24 inches or more. A minimum tank size of 200 gallons is recommended for a single adult arowana. This space allows them to swim freely and reduces stress. According to the Arowana Society, larger tanks lead to better health and longevity in these fish.
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Water Quality Management: Water quality management is essential for arowana health. Arowanas thrive in clean, well-filtered water with a temperature range of 75-82°F. Regular water changes of about 25% weekly help maintain optimal parameters. Ammonia and nitrite levels should be kept at zero, while nitrates should be under 40 ppm. The API Water Quality Master Test Kit can help monitor these levels effectively.
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Suitable Substrate: A suitable substrate is vital for mimicking the natural habitat of arowanas. A fine gravel or sand substrate will provide a comfortable environment for them. This type of substrate also aids in maintaining water quality by preventing uneaten food and waste accumulation.
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Appropriate Decorations: Appropriate decorations enhance the aesthetic of the aquarium while being functional. Using driftwood or large rocks can replicate a natural environment. However, these decorations should not have sharp edges that could harm the fish. Additionally, avoid too many hiding spots, as arowanas enjoy open swimming spaces.
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Proper Feeding Habits: Proper feeding habits significantly influence arowana health and growth. Arowanas are carnivorous and require a diet rich in protein. It’s advisable to feed them pellets specifically formulated for large fish, live food like shrimp or insects, and high-quality frozen foods. Overfeeding should be avoided, as it can lead to health issues.
By understanding and implementing these setup tips, aquarium owners can create a healthy and thriving environment for their arowanas.
What Environmental Factors Should Be Considered in Arowana Tank Size?
To determine the appropriate tank size for Arowana, one must consider various environmental factors.
- Arowana growth potential
- Water volume and quality
- Swimming space and activity level
- Tank shape and design
- Stocking density of other fish
Considering these factors ensures a conducive habitat for Arowanas.
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Arowana Growth Potential: Arowanas can grow quite large, often reaching lengths of 24 inches or more. Therefore, a larger tank is necessary to accommodate their growth. Experts recommend a minimum tank size of 250 gallons to provide enough space as they mature.
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Water Volume and Quality: Water quality is vital for Arowanas. A larger tank allows for a greater volume of water, which helps maintain stable water parameters. A filtration system should be efficient, managing ammonia and nitrite levels to reduce stress on the fish. Studies show that larger tanks facilitate better water chemistry, reducing harmful fluctuations.
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Swimming Space and Activity Level: Arowanas are active swimmers. Providing ample swimming space allows them to exhibit natural behaviors. Experts suggest that a tank with a long horizontal dimension enhances their comfort and reduces territorial stress.
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Tank Shape and Design: The shape of the tank matters for Arowanas. Taller tanks may not be as suitable since these fish prefer horizontal swimming space. A rectangular tank design is often recommended. Additionally, incorporating decorations or hiding spots should still allow free swimming.
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Stocking Density of Other Fish: When considering tank mates, it’s essential to assess the stocking density. Arowanas can be territorial; thus, fewer tank mates in a larger tank can prevent stress and aggression. Some fish experts recommend housing a single Arowana in a spacious environment to avoid conflicts.
These environmental factors contribute significantly to the health and well-being of Arowanas, making careful consideration critical when selecting a tank size.
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