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Blue Koi is a betta strain. Find live availability, pricing, and care notes on Fast Aquatics.
As a line of Betta splendens, it is kept to that species' care values: the Fast Aquatics care data for Betta splendens lists a minimum tank of 5 gallons and a beginner care rating. The same data lists its diet as carnivore.
Blue Koi care recommendations cross-checked against the following authoritative references and our internal vendor + breeder database.