I just noticed it today. Anything to concern about ? Behavior including ( Schooling, Active Swimming, Only want to Eat Pellet doesnt Touch Bloodworm unlike other Danio)
Tank Status :
55 Gallon
PH 6.7
Ammonia 0 ppm
Nitrite 0 ppm
Nitrate 5 ppm
Soft - Moderate Hardness
Tankmates. :
2 Cobra...