Koi are a form of carp found in East Asia where they were originally farmed as a food fish. The name Koi means carp in Japanese and the word koi also means love in Japanese, same as Row (number of things in straight line) and Row (a noisy quarrel) in english.

Koi fish are originated from Eastern Asia but they have also been found in China.

Koi is a type of fish. Just don't put koi in the pond and it will not be a koi pond.

The plural of koi, a Japanese karp, is koi.

a fish, a koi carp