yeah, it's a tough call. sorry i made it sound so easy. I've never had to deal with flukes or parasites other than ich, so I made it sound kinda like lah dee dah.
Since you said you have scaleless fishes, and that meds often kill your fish (and this is often the case), I would be reluctant to use chemical treatments, too. Maybe start a new thread titled "natural ways to get rid of flukes" or something like that. it couldn't hurt, because then it would address the specific question you want answered. many people won't read something that's buried in another thread with a general title, cuz they think you're still just trying to identify what you have.