Note:  Do not rely on this information. It is very old.

Tank Worms

Tank-Worms, the young larvae of the Guinea-worm (g.v.) or Filaria, a parasite common in man in tropical conutries, where it causes the disease known as haematuria. Its popular name is derived from the fact that the larva lives in mud in the bottom of tanks and pools.

“Therefore, since we are surrounded by such a great cloud of witnesses, let us throw off everything that hinders and the sin that so easily entangles, and let us run with perseverance the race marked out for us.”
Hebrews 12:1