ich? parasites? fungus?

Ok so my corydoras have gotten these white spots and have had them for about a week but I haven't seen any major outbreak in my tank/ no white spots on any of my guppies and the specs have been limited to only a few corys, the white dots kinda seem to be off and on because i saw one cory with a...

Help! I haven’t had an aquarium for years, I set up a 20 gallon freshwater community tank for my daughter who has autism. The tank has beeen set up for several months with no problems. 3 weeks ago I bought 4 young blue rams at a reputable breeder at an aquarium club to add to the tank. I wanted...

He is dead.

Please tell me what this is and how to get rid of it. I don't know if it is ICH or parasites or what. I have 4 cory catfish and 3 plecos as well. So I'm not sure if using medicine is safe. Thank you.