Came home from work tonight and My convict cichlid is at the top of my tank swiming akwardly and i notice the entire bottom part of his stomach and by his anus is bright puffy red with what looks like a small lump coming out of it .. He wasn't like this lastnight when i fed him and he was fine this afternoon when i turned the light on before i went to work... Does anyone have any ideas as to what could be wrong he dosnt look good and i dont think he's gonna last to much longer