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Midwest Aquarium and Pond Supplier LLC

(184) Assorted Ranchu Goldfish

(184) Assorted Ranchu Goldfish

$19.99 USD
$19.99 USD
Oferta Agotado
Los gastos de envío se calculan en la pantalla de pago.
Ranchu goldfish require specific care due to their unique, rounded body shape and lack of a dorsal fin, which make them prone to health issues, particularly swim bladder problems. Success relies on maintaining pristine water quality, providing a specialized diet, and a suitable tank environment. 

Tank and Water Parameters
  • Tank Size: A minimum of 20 gallons for one fish is recommended, plus an additional 10-15 gallons for each extra fish. A long, shallow tank is preferred over a tall one, as it provides a larger surface area for oxygen exchange and easier swimming for these weak swimmers.
  • Filtration: A strong filter with a flow rate of at least four times the tank volume per hour is necessary to handle their significant waste production. However, the flow should be gentle to avoid stressing the fish; pointing the filter output at a rock or plant can help dissipate strong currents.
  • Water Quality: Clean water is essential. Perform weekly water changes of 25-35% to keep nitrates low.
    • Temperature: Optimal temperature is between 65–75°F (18–24°C). Heaters are often recommended for fancy goldfish to maintain a stable temperature and aid digestion, which can be a problem in cooler water.
    • pH: Maintain a neutral pH between 6.5-7.5.
    • Ammonia/Nitrite: Must be 0 ppm.
  • Substrate and Decor: Use a soft substrate like fine sand or smooth, large pebbles that are too big to swallow to prevent accidental ingestion and potential choking. Avoid sharp or rough decorations that could injure their delicate bodies and wens. 

Diet and Feeding
  • Food Type: Feed high-quality, sinking pellets or gel food (like Repashy Super Gold) to prevent the fish from gulping air at the surface, which can cause swim bladder issues.
  • Variety: Supplement their diet with blanched vegetables (like peas, spinach, or broccoli) and occasional protein sources like bloodworms or brine shrimp (frozen is safer than live to avoid parasites).
  • Frequency: Feed adult fish in small meals one to two times daily. Young fish may need up to three or four feedings per day to encourage healthy growth. 

Health Considerations
  • Swim Bladder Issues: Ranchus are particularly susceptible to swim bladder problems due to their body shape. Proper diet and avoiding overfeeding are key preventative measures.
  • Wen Care: The fleshy head growth (wen) requires attention. Ensure it doesn't obstruct their vision or develop infections.
  • Tank Mates: Due to their slow swimming speed and delicate nature, they should only be kept with other peaceful, slow-moving fancy goldfish varieties like Orandas, Black Moors, or Lionheads. Avoid fast-swimming or aggressive fish.
  • Quarantine: Always quarantine new fish for at least four weeks before introducing them to your main tank to prevent the spread of diseases.
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