Monsters In The Sewer… I Will NEVER Venture In There Posted on June 30, 2009 by Chilligan — 2 Comments ↓
Colonies of tubifex worms,common to sewers and ponds.The “pulsing” is the colony reacting to the heat from the camera light.
Thanks for the explanation. I should have picked up on that… used to keep tubifex worms to feed my tropical fish.