in my tank i have two jds and two cons and an oscar.my problem is that about a week ago,i noticed that i had tiny minescule whitish yellow things on my glass and they look like worms,they even move like worms if you look closely enough.my dad said that they could be tubifex worms but im not sure.i had alot of rosies and some died but three got stuck and i didnt see them until a while later when i discovered the parasites.they were all over the fish and now they are all over the place.should i do a complete cleaning or are they harmless.i also saw some tubifex worms and i dont know if they could be the parents or whether they are a different parasite.they are currently about 1-3 millemeters(as i said before,they are tiny)
