get it NOW before it Grows & Multiplies!!!*crazysmil
If you can, take out the rock it's on and grind it out with a sharp pointy object then pour boiling hot water in the hole, with a syringe would be good.
If you try squirting it in the tank and it dies, or parts of it disintigrate and start to float about in your tank, it can grow from those floating bits, then you have MORE than Ever!
~trust me, I know from experience....