The Red White Fantail Goldfish (Carassius auratus) is a stunning variety of fancy goldfish, beloved for its brilliant red-and-white color pattern and beautifully flowing double tail. Known for its graceful swimming and hardy nature, this fish is ideal for both indoor aquariums and outdoor ponds.

At 5 cm when sold (juvenile), the Red White Fantail can grow up to 15–20 cm (6–8 inches) in a well-maintained environment. This variety is a favorite among goldfish enthusiasts for its vibrant color contrast, peaceful temperament, and ease of care, making it suitable for beginners and experienced aquarists alike.

✅ Key Features

• Size: 5 cm juvenile; adults reach 15–20 cm

• Temperament: Peaceful and social

• Care Level: Easy

• Lifespan: 10–15 years with proper care

• Special Trait: Flowing fantail and elegant body shape with red-and-white coloration

Care Guide for Red White Fantail Goldfish

✅ Tank/Pond Requirements

• Minimum Tank Size: 75 liters (20 gallons) for one fish; larger for groups

• Outdoor Ponds: Suitable for ponds with proper filtration and aeration

• Aquascape: Keep decorations minimal with smooth surfaces to avoid fin damage

• Lighting: Moderate; enhances the goldfish’s vibrant colors

• Substrate: Fine gravel or sand to prevent injury

✅ Water Parameters

• Temperature: 18°C – 24°C (64°F – 75°F)

• pH Level: 6.5 – 7.5

• Water Hardness: 5 – 19 dGH

• Filtration: Strong filtration is necessary due to high waste production

• Water Changes: 25–30% weekly for optimal health

✅ Feeding Habits

Fantail Goldfish are omnivorous and require a balanced diet.

• Recommended Diet:

  • High-quality goldfish pellets or flakes

  • Frozen or live foods (bloodworms, brine shrimp)

  • Fresh vegetables (blanched peas, zucchini, spinach)

Feed small amounts 2–3 times daily, avoiding overfeeding to prevent swim bladder issues.

✅ Tank Mates

Red White Fantails are peaceful community fish best housed with other slow-moving species.

Ideal Tank Mates:

• Other fancy goldfish varieties (Oranda, Ryukin, Ranchu)

• Dojo Loaches

• Apple Snails

Avoid fast, aggressive species that can outcompete them for food or nip at their fins.

✅ Behavior & Breeding

• Behavior: Gentle and social; active during the day

• Breeding: Egg layers; spawn in groups during warm temperatures

• Tip: Provide spawning mops or plants to protect eggs from being eaten

Why Choose Red White Fantail Goldfish?

• Striking red-and-white coloration for a vibrant aquarium or pond

• Hardy and beginner-friendly, ideal for ornamental setups

• Long-lived and graceful swimmer

• Peaceful and easy to care for

✅ Perfect for goldfish enthusiasts and ornamental fish collectors
✅ A beautiful addition to any freshwater setup