drop eye

I only have this silver arowana for less then a month, grew 2 inches, its around 8" now ,but today I just noticed the right eye slightly bulging with white stuff between the eye socket. The right eye was already slightly droopy when I got it but now its gotten worse. Is it because of diet? I...

Hi all. I have a Asian arowana ~16 years of age, ~18 inch. Diet: Superworms + Crickets (usually up to 18 per day combined) PH: 7-7.2 Recently (6 days ago) I did a 20-30% partial water change. Usually he will only eat 2-3 days after the water change. (Water change done every 1.5 weeks) Water...