helpme

New to this site and im looking for help. Today my mother Platy died and the only visible signs i could see were black specks on the fins. She started having trouble balancing as of yesterday and im hoping my other fish wont be affected. Image attached of the specks Please note that these...

Hi there, so my two year old goldfish is looking ill, she will pickup flake and spit it out again after about 3 seconds, I'm really worried, when I walked to the tank she seemed pretty hungry. This is the THIRD DAY, I don't know what to do, please help me..:(