Found another one and removed it. This one was little reddish, sitting on the moss and was little difficult to differentiate from the red shrimps.
At least this helped to weed out unwanted plants in my tank and clean the substrate a bit. Hope that's the end of it
Video that I found on youtube:
Last edited by desitetra; 03-20-2013 at 06:00 PM.
Reason: added youtube video