Posted: Tue Jun 05, 2007 1:45 pm
Do they move? They could be planaria, which are usually form when there's leftover food or other debris in the tank. Planaria aren't harmful to turtles.
How often do you clean the tank and change the water?
Do a thorough cleaning and water change and see if them come back.
"You become responsible, forever, for what you have tamed." -Antoine de Saint Exupery-