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Red Comet 5cm

Red Comet 5cm

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The Comet Goldfish is a well-known and classic variant of the common goldfish (Carassius auratus). It is recognized for its elongated body, flowing fins, and vibrant red and white coloration. As they age, some Comet Goldfish can grow to impressive sizes, making them fascinating additions to large aquariums or outdoor ponds.

Tank Requirements:

  1. Tank Size: Due to their potential for substantial growth, Comet Goldfish require large tanks. A minimum of 75 gallons is recommended for a single fish, and additional space is crucial for multiple goldfish.

  2. Temperature: Being cold-water fish, Comet Goldfish thrive in temperatures between 50°F to 75°F (10°C to 24°C). Avoid keeping them in heated tanks, as higher temperatures can harm their health.

  3. Water Quality: Maintain clean and well-oxygenated water. Regular water changes are essential to remove accumulated waste and maintain optimal water parameters.

  4. Tank Setup: Provide a spacious and well-decorated environment. Use fine gravel or sand as substrate, and include aquatic plants, rocks, and ornaments. Comet Goldfish appreciate areas to explore and hide.


  1. Tankmates: Comet Goldfish can coexist with other goldfish varieties in a suitable-sized tank. Avoid keeping them with tropical fish, as their temperature requirements differ.

  2. Feeding: Comet Goldfish are omnivores with a preference for plant matter and algae. Offer a balanced diet of high-quality pellets, flakes, and occasional live or frozen foods like brine shrimp and bloodworms. Avoid overfeeding, as goldfish are prone to digestive issues.

Health Considerations:

  1. Cool Environment: Ensure the tank remains in a cool room to support the goldfish's well-being. High temperatures can lead to nerve damage.

  2. Avoid Heaters: Comet Goldfish should not be kept in heated tanks, as they are not suitable for tropical conditions.

  3. Tank Mates: Choose tank mates carefully, considering the size and compatibility of other fish. Gold barbs, loaches, and zebra danios (in a school) are potential companions.