Care guide, husbandry, breeding, disease, and sourcing intelligence on Beni Kikokuryu Koi - written by the Fast Aquatics editorial team.
Beni Kikokuryu Koi at a glance
Adult size: 24-36 inches · Min tank/pond: 1000 gallons (pond) · Difficulty: intermediate · Diet: omnivore · Lifespan: 25-50 years.
Beni Kikokuryu Koi (Cyprinus rubrofuscus) is a popular pond species in the aquarium and pond hobby. Suitable for keepers with 6-12 months of stable-tank experience.
Where Beni Kikokuryu Koi comes from
Beni Kikokuryu Koi (Cyprinus rubrofuscus) is a pond fish species adapted to pond ecosystems. Adapted to seasonal temperature swings, leaf litter, and outdoor water chemistry.
Beni Kikokuryu Koi tank size and setup
Beni Kikokuryu Koi requires a minimum of 1000 gallons (pond) for healthy adults. The minimum is based on 24-36 inches adult size and territorial range. Plan an outdoor pond with appropriate depth (3+ feet for cold-climate winterization), filtration sized 1.5-2x pond volume per hour, UV clarifier, and surface skimmer.
Water parameters for Beni Kikokuryu Koi
Beni Kikokuryu Koi prefers pond parameters: temperature 50-78°F seasonal swing for cold-tolerant species, pH 7.0-8.5, ammonia + nitrite 0 ppm, nitrate under 40 ppm, dissolved oxygen 5+ mg/L (aerator non-optional in summer).
What Beni Kikokuryu Koi eats
Beni Kikokuryu Koi is a omnivore. Provide a varied diet of pellets, frozen foods, and supplemental greens. Feed twice daily in small portions. Browse our food guides for product recommendations.
Beni Kikokuryu Koi tankmates and compatibility
Beni Kikokuryu Koi is compatible with similar-temperament pond fish at appropriate stocking. Plan stocking around adult sizes and territorial behaviors.
Beni Kikokuryu Koi adult size and lifespan
Beni Kikokuryu Koi reaches 24-36 inches at adulthood with a captive lifespan of 25-50 years with proper care.
Can you breed Beni Kikokuryu Koi?
Beni Kikokuryu Koi spawning happens in spring as water warms; provide appropriate spawning substrate and consider separating eggs to prevent predation.
Common Beni Kikokuryu Koi diseases and problems
Beni Kikokuryu Koi can develop pond-specific issues: parasites, bacterial infections, and seasonal stress around water temperature transitions.
Where to buy Beni Kikokuryu Koi online
Beni Kikokuryu Koi is sold at LFS, online retailers, and direct from breeders. Browse live Beni Kikokuryu Koi from vetted Fast Aquatics vendors with carrier-tracked overnight shipping, climate-aware hold logic, and a 4-hour DOA window with photo-evidence claims.
Related pond species you might also keep
Other species in the same category with care profiles on Fast Aquatics. Click any name for the full husbandry breakdown.
Beni Kikokuryu Koi taxonomy and care recommendations cross-checked against the following authoritative references and our internal vendor + breeder database.