That i dont know..but when fish change color temporary that normal stress..mating..new tank..how long has color been different?Ok thanks I will do that, do you think that this is Cancer or a tumor in this fish?
Buffer fish scientist study they have neurotoxin that make cure cancer in human..i just research..buffer not going get cancer..he got a bump..if does not heal..drain it with diabetic needle..he be fineIm sorry got confused with another post..is he aggressive against rocks and glass..could be hematoma..salt will help..cancer i dont think so..water retention if he banging against stuff