Nishikigoi, better known as koi fish, are a well-known variety of the common carp. They are bright red and white and revered ...

Koi fish, especially the Kohaku variety, are prized for their beauty, longevity, and breeding potential. Factors like ...

Anything strike you as special about this fish here ... Fluffiness. Koi have six types of color cells in their skin. Their cells can be red, yellow, black, white, blue, or metallic.

“Or if it swims apart from other fish. If it’s not eating. If there is obvious swelling. If it has growths or injuries.” She plucked a wriggling, silver-white koi, 8 inches long, from a ...

A dozen koi fish poke their faces up to the pond’s surface ... The most expensive koi is a tricolor variant, one sporting orange, black and white scales. An imported tricolor Gosanke koi ...