A pigment called Carotene makes the Hi look red. Koi do not produce this so they must obtain it from their food. Spirulina is how food manufacturers provide raw carotene, so look for food that contains Spirulina.
← FAQs About Nishikigoi (Koi Fish)
A pigment called Carotene makes the Hi look red. Koi do not produce this so they must obtain it from their food. Spirulina is how food manufacturers provide raw carotene, so look for food that contains Spirulina.