Their cells can be red, yellow, black, white ... and is the most expensive koi fish ever sold. Koi may just look like an oversized goldfish, but they're not even remotely related.

Koi fish have got a lot going for them ... There are actually various types of koi that come in all hues, including orange, yellow, black, white and blue. "There are more than 100 varieties ...

He began to count: There was the yellow one they had named ... finding a tank to buy because so many other koi owners had also evacuated with their fish. Los Angeles pet stores are low on stock ...