This is a discussion on laying platy? within the Livebearers forums, part of the Freshwater and Tropical Fish category; -->
i have a The subject species is referred to as the Common or Southern Platy in order to distinguish it from Xiphophorus variatus, another ...
i have a Platy that ive had for awhile and i noticed that she behaves normal but occasionly she rubs against my banana plant and Anubias nana then swims normally then goes back and does it again. everything is normal with her, diet, movement, but i noticed she does this now. i dont see any growths or parasites on her nor any discoloration.
Don't rule out skin and gill flukes either if it keeps rubbing the same area. It's one of the few ways to indicate presence of flukes otherwise a gill or skin scrape is needed to determine presence of flukes. Praziquantel can treat this.
She appears to not have any obviouse parasites and the only way that I can she that she got anythink like that is when I introduced a new betta to the tank, but she did this before the betta came in.