YES THEY ARE PALE BLUE AND THE WATER IS TANK HAS BEEN CHANGED AND ALL WATER LEVELS ARE FINE.
DOES SAY ON INTERNET THAT PARROT FISH CHANGE COLOUR WHEN THEY ARE ANGRY OR BREEDING.
I HAVE GOT 2 BLUE PARROT FISH AND HAVE HAD THEM ABOUT 1 MONTH NOW, BUT 1 OF THEM HAS GONE BLACK AND OTHER 1 IS STILL BLUE.
CAN ANYONE SUGGEST WHAT I CAN DO OR SHOULDNT I BE WORRIED.
THANK U