What is this "flat" worm?

[dwerbs87]

I'm not sure if this is where I should be posting this question but I found this thing on my glass tonight and quickly shot a picture of it. It was about 5mm long with a bit of a fork to the tail, clearish body, with a white cluster in the center of its body.

[Aquattro]

I've never seen one before, but cool looking.

[fishytime]

that my friend appears to be a flatworm......fortunately for you it appears to be the brown/tan/cream/ colored variety.....not the "red plague" variety (planaria)