Even though lakes don’t have noses, some do have boogers. Bryozoans (bry-uh-ZOH-uns) are microscopic animals that live in colonies, like this colony living on a dock in Fruitport, Michigan. Some colonies look like big bumpy balls of brown jelly, which is how they got the nickname ‘water boogers’.

Bryozoan, Fruitport, Michigan.  PHOTO CREDIT: BRUCE RAYMOND
PHOTO: BRUCE RAYMOND