1. Choose the Right Tank:
* Size: The tank should be at least 10 gallons per goldfish (larger is always better).
* Type: A standard rectangular tank is fine. A tank with a filter is ideal.
* Consider: Think about the long-term plans. Will you be keeping the goldfish in the tank permanently, or are you just using it as a temporary holding space?
2. Set up the Tank:
* Base: Place the tank on a level surface, ideally one that can handle its weight.
* Substrate: A fine gravel substrate is suitable, but avoid anything that might be ingested by your goldfish.
* Water: Use dechlorinated water. Use a water conditioner specifically designed for removing chlorine and chloramines.
* Filter: A good filter is essential for maintaining water quality. Choose a filter rated for the size of your tank.
* Decor: Add a few decorations for your goldfish to swim around and explore. Be cautious about using sharp objects or materials that could be harmful.
3. Acclimate the Goldfish:
* Gradually: This process helps prevent shock.
* Method: Scoop out water from the pond and add it to the tank in small amounts over several hours. You can even use a hose to create a slow drip.
* Temperature: The water temperature in the tank should be close to the temperature of the pond water.
* Monitoring: Watch for signs of stress (rapid breathing, staying near the surface, clamped fins).
4. Transfer the Goldfish:
* Net: Use a fine-mesh net to gently scoop the goldfish out of the pond.
* Avoid Rough Handling: Be gentle to minimize stress.
* One at a Time: Place each goldfish into the tank individually.
5. Water Changes:
* Regularly: Perform partial water changes (25-50%) at least once a week to maintain water quality.
* Siphon: Use a siphon to remove debris and waste from the bottom of the tank.
6. Monitor Your Goldfish:
* Observe: Watch for any signs of illness, injury, or unusual behavior.
* Feeding: Provide appropriate food for your goldfish (flake, pellets, or live food).
Important Notes:
* Pond Water: Avoid using water directly from the pond to fill your tank. Pond water can contain parasites and bacteria that can be harmful to your goldfish.
* Quarantine: If you're unsure about the health of your goldfish, consider quarantining them in a separate tank before introducing them to your main tank.
* Professional Advice: If you have any concerns about your goldfish's health or the transfer process, consult a veterinarian or a local fish expert.