Not all goldfish are gold! Even a goldfish that starts life a bright shade of orange may change colors throughout his life. There are different reasons why a goldfish may change colors. Diet changes, poor quality food, and parasites can leave you with a fish of a different color. Genetics play a big part in goldfish color. Moors (black goldfish) may be cross-bred with telescopes (goldfish of any other color) to improve body shape or vision. The baby goldfish from a moor/telescope breeding may or may not change colors. Some baby goldfish stay black all their lives. Some change colors … Continue reading →