Don't know exactly what the worms were. Looked like round worms. They were reddish in color, almost a peach color. I put about 1/8 of a teaspoon of them in a baggy and 8 hours later they had quadrupled in number. When I took the ray out I looked up from under the tank (bare bottom) and the whole bottom of the tank is covered in what looks like small grains of sand. I am assuming these are eggs. The tank and the pbass are bathing in prazi pro so hopefully it kills them all.