cichlid not eating

tank size : ~ 450 liters ( ~100 gallons ) tank age : 4 years pH : ~ 8 nitrite : 0 ppm nitrate : ~ 40 ppm kH : ~ 12 gH : ~ 10 tank temp : 27 celsius ( 80 fahrenheit ) My 4-year-old male jaguar cichlid hasn't shown interest in food since July 12th. He seems to be in perfect shape other than that...

I have a 2-year-old jaguar cichlid (around 10 inches). I usually feed him Hikari Gold pellets (medium-sized), and he was always doing fine, he was eating properly, he was active and colorful. But then a day ago when I was going to feed him, although he looked hungry as usual when I put in his...

Hello i have a cichlid that uas been not eatimg and hiding. When he comes out he is spazy and shakes. He will dart around like crazy and hide again. Plz help he might die :'(