Our beta,Lester Blu, looks as if he has swallowed a balloon!
We use salt in his H2O, and give him a shelled pea every other week.He is in a 1 gal tank with an air stone, turned down low, and I change his water every week. Even though he is so bloated, he seems to swim ok and comes to the top near the feeding hole in the lid whenever we come close to the tank. We feed him once a day, only 2/3 small pieces of a Freeze Dried Medley (bloodworms,brine shrimp & daphne)
Does anyone have an answer, we are worried that we will see a dead exploded fish some day soon...