This koi is one of my spawn from August 2018. For the first 5 months she (assumed) was bright orange (like it's Mom). She then turned to light yellow and then almost white (see first photo) by 3/15/19. I was sure I was going to end up with a platinum.
She was raised indoors in an aquarium until 3/15/19. I moved her outside and now she is almost black, 3 weeks later (second photo). Anyone know why she is changing color so dramatically? Currently 7 months old and 12.5 inches, kind of surprising since she was raised in a small aquarium.