Help! sick cichlid!

[bnpleco]

I have a dwarf cichlid. His mouth is fluctuating and he has been opening his mouth fully flexing his fins then swam off is this normal? An Nitrate 24 Nitrite 0 Ammonia 0 Ph 6.7

 

[bnpleco]

HELP!!!!!!!!!!!

 

[Candiceg]

Is he eating good? What do you use to test parameters?