How to Relocate Your Arowana Like a Pro: A Step-by-Step Guide to a Stress-Free Transition

Relocating an arowana fish isn’t just about scooping it up and dropping it into a new tank—it’s a sensitive operation that demands thoughtful planning and a gentle touch. These elegant, powerful swimmers are more than just aquatic pets; they're living jewels, and like any precious treasure, they need to be handled with care—especially when it's time to change homes.

Whether you're upgrading to a larger tank or moving house altogether, ensuring your arowana’s move is as smooth and stress-free as possible is vital. In this guide, we’ll walk you through the entire process—from preparation to post-move care—so your arowana can settle into its new environment safely and comfortably.

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Why Moving an Arowana Isn’t Your Average Fish Relocation

Arowanas are known for their striking appearance and regal behavior—but behind that stoic look is a fish that's surprisingly sensitive. Shifts in temperature, changes in water chemistry, and physical stress during transport can all wreak havoc on their health. Without the proper precautions, your arowana could suffer from stress-related illnesses or worse.

The good news? With some know-how and a calm approach, you can minimize risk and make the transition nearly seamless.

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Step 1: Ready the New Tank Before the Move

Before you even think about touching your fish, your new aquarium should be fully prepared and running smoothly.

Size Matters
Arowanas grow large and need plenty of space to thrive. At a minimum, aim for a 250-gallon tank—though bigger is always better.

Perfect the Water Parameters

• Temperature: Keep the water warm, ideally between 75°F and 80°F (24°C–27°C).

• pH Levels: A pH range of 6.5 to 7.5 is ideal.

• Filtration: A top-tier filtration system is non-negotiable. Arowanas are sensitive to water quality, so clean, well-circulated water is a must.

Pre-Treat and Stabilize
Add a reliable water conditioner to neutralize chlorine and other harmful chemicals. Let the tank run for at least 24 hours, ensuring the temperature and other parameters are stable before introducing your fish.

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Step 2: The Art of Safe Transport

Once the new tank is prepped and ready, it’s time to move your fish. This is the most delicate part of the process, so stay calm and move methodically.

Use the Right Container
Choose a spacious, sturdy container—like a lidded bucket or large plastic container. Fill it with water from the arowana’s current tank to keep things familiar.

Minimize Handling
Avoid direct contact with your fish whenever possible. Use a soft, wide fish net to gently guide it into the transport container. The less you disturb it, the better.

Keep the Journey Smooth
Whether you’re moving across town or just to another room, reduce jostling and noise. Keep the container secure and check on your fish periodically for signs of distress like frantic movement or rapid breathing.

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Step 3: Welcome to the New Home – Acclimatization

You’ve made it to the new tank—now comes the crucial step of introducing your arowana slowly and safely.

Float First
Place the sealed transport container in the new tank for about 15–20 minutes. This helps the water temperature inside the container adjust gradually to that of the tank.

Slow and Steady Water Mixing
Open the container and begin adding small amounts of tank water every 5–10 minutes. Do this for about half an hour. This helps your fish gradually adjust to the new water chemistry.

Release with Care
Once acclimated, gently tip the container to let your arowana swim into its new home. Skip the net this time to reduce handling stress.

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Step 4: After the Move – Keeping Things Stable

Your arowana’s first few days in the new tank are crucial for its recovery and adjustment. Here's how to make that transition smooth.

Keep an Eye on the Water
Test the water frequently—especially for ammonia, nitrite, and nitrate levels. Stability is key, so avoid making sudden changes.

Watch the Temperature
Continue monitoring the temperature to ensure it stays within the ideal range. A malfunctioning heater can cause big problems fast.

Observe, Don’t Overfeed
It’s normal for your fish to act a bit reserved or shy at first. Give it time, and don’t overdo feeding—start with small portions and gradually return to its normal feeding routine.

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Final Thoughts

Moving an arowana may seem daunting at first, but with patience, preparation, and a careful touch, you can make the experience a positive one—for both you and your fish. Think of it as a choreography of care: each step deliberate, each decision mindful. Do it right, and your arowana will glide through its new waters like royalty.

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