42+ Betta Fish Losing Color. One could be the water is too cold (ideal temperature is 78° f) the best solution would be to get a heater, they aren't too expensive. There are so many varieties and they come in a range of colors and patterns.
If your betta's body suddenly looks puffed up, it could be a sign of constipation, but it could also be sign of a condition called dropsy which can be life threatening. To treat body rot, the water must be completely changed, and then changed regularly from that point on. Betta fish lethargic, losing color?
My betta fish hasn't been eating like he used to.
Place your fish into the mixture in. A healthy betta fish is always fluttering around and flaring its fins and gills. Your betta fish has trouble swimming. The signs of a healthy betta fish are bright colors, no torn fins, good appetite, very active and it occasionally sleeping.