Blue Ranchu Goldfish – Fancy Goldfish
Availability Note: Goldfish availability changes often. Visit Tropical Treasures Wyo in Cheyenne, Wyoming, or contact us for current fancy goldfish, comet goldfish, and pond goldfish availability.
The Blue Ranchu Goldfish is a distinctive fancy goldfish variety known for its rounded body, smooth back, lack of a dorsal fin, and blue-gray coloration. Ranchu goldfish are popular with fancy goldfish keepers because of their unique body shape and graceful swimming style.
At approximately 2–2.5 inches, these young Blue Ranchu Goldfish are best for aquarists who are prepared to provide stable water quality, gentle filtration, and a properly sized goldfish aquarium as they grow.
Key Features
- Fancy Goldfish Variety: Rounded Ranchu body shape with no dorsal fin
- Blue-Gray Coloration: Unique coloration that stands out from common goldfish varieties
- Peaceful Temperament: Best kept with other fancy goldfish of similar size and swimming ability
- Juvenile Size: Approximately 2–2.5 inches at sale
- Intermediate Care: Best for keepers who can maintain stable water quality
- Gentle Tank Setup Needed: Smooth decor, gentle flow, and strong filtration are recommended
Care Information
- Scientific Name: Carassius auratus
- Common Name: Blue Ranchu Goldfish
- Variety: Ranchu
- Care Level: Intermediate
- Temperament: Peaceful
- Size at Sale: Approximately 2–2.5 inches
- Adult Size: Commonly 5–8 inches
- Minimum Tank Size: 20 gallons for juveniles; larger aquariums recommended as they grow
- Temperature: 65–75°F
- pH: 6.5–7.5
- Diet: Omnivore
Tank Setup
Blue Ranchu Goldfish need a well-filtered aquarium with stable water quality and gentle water movement. Because Ranchus have a rounded body shape and no dorsal fin, they are not strong swimmers and should not be kept in tanks with heavy current.
Use smooth gravel, sand, or bare-bottom setups, and avoid sharp decorations that could damage fins or body tissue. Smooth rocks, live or silk plants, and open swimming areas work well for fancy goldfish aquariums.
Diet & Feeding
Blue Ranchu Goldfish are omnivores and should be fed a varied diet. Good options include quality goldfish pellets, gel foods, frozen bloodworms, frozen brine shrimp, daphnia, and blanched vegetables such as zucchini or shelled peas.
Feed small portions and avoid overfeeding. Fancy goldfish can be prone to buoyancy issues, so a careful feeding routine and stable water quality are important.
Best Tankmates
- Other Ranchu Goldfish
- Oranda Goldfish
- Fantail Goldfish
- Ryukin Goldfish with caution
- Other peaceful fancy goldfish with similar swimming ability
Avoid keeping Blue Ranchu Goldfish with fast, aggressive, or fin-nipping fish. They are best kept with other fancy goldfish rather than tropical community fish.
Frequently Asked Questions
How big do Blue Ranchu Goldfish get?
Blue Ranchu Goldfish commonly reach around 5–8 inches as adults, depending on genetics, diet, aquarium size, and long-term care.
Are Blue Ranchu Goldfish good for beginners?
They are better for intermediate keepers. Ranchus need stable water quality, gentle filtration, and carefully chosen tankmates because of their fancy body shape.
Can Blue Ranchu Goldfish live in a pond?
Ranchus are delicate fancy goldfish and are usually best kept in indoor aquariums. Outdoor ponds may be possible only in carefully managed, predator-safe setups with stable temperatures and gentle conditions.
What should I feed a Blue Ranchu Goldfish?
Feed a varied diet of quality goldfish pellets, gel foods, frozen foods, and occasional vegetables. Avoid overfeeding and remove uneaten food as needed.
Can Blue Ranchu Goldfish live with common or comet goldfish?
It is not recommended. Common and comet goldfish are faster swimmers and may outcompete Ranchus for food.
Available at Tropical Treasures Wyo
Blue Ranchu Goldfish are distinctive fancy goldfish for aquarists who enjoy unique goldfish varieties and carefully maintained cool-water aquariums. Visit Tropical Treasures Wyo in Cheyenne, Wyoming, to shop fancy goldfish, goldfish food, aquarium supplies, filtration products, water conditioners, and aquarium care essentials. Live fish are available for in-store purchase or local pickup only.
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