Chick-In-Of-TheSea Posted June 9, 2022 Share Posted June 9, 2022 For years I’ve had this fish and over time the fish has become more swollen in the belly. It has been the only black neon in the tank and schools with pristella tetra. I thought maybe it mated with one of them, but now I’m not so sure because the swelling has not gone down. The fish stays at mid level, looks right at me and “treads water” by flapping its side fins. It also opens & closes it’s mouth while doing this (like it’s saying blub blub blub). It does not look like gasping or struggling for air. More like it’s chatting. It has begun to act territorial and chases away other fish that approach it. Then it schools as normal without the mouth movements. It alternates between treading water, chasing, and schooling. Illness? or behavior? Other black neons in the photo were just added yesterday, but the swelling and behavior are ongoing. Ph 7.5 temp 81 ammonia 0 nitrite 0 nitrate 10 80/180 for gh and kh- I’m not sure I listed those two in the right order, I don’t have the test kit in front of me Link to comment Share on other sites More sharing options...
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