alright so after my halfmoon betta died i moved one of my crowntail boys to it. nows hes looking sickly and acting the same way the halfmoon is. params are 0 ammo, 0 rites and 20 rates. the only thing i could think that might be doing it is the java ferns. there supposed to be toxic to fish arent they? mabye this should be in the plants section i dunno. any help immensly appreciated!