“I found this strange-looking, dark brown worm in my toilet, just floating there,” states this reader about the organism pictured below. She thinks it was already there before she used the toilet, and she asks if we know what the creature is.

“We seem to have an infestation of moths and what we’re thinking might be larvae,” states this reader in her submission regarding the array of photos below. Our reader wonders if the appearance of this moth and its larvae could be connected to parasites “in some way.”

“I found this on our water while I was filling the tub”, states this reader in her query concerning the black worm pictured below. She is not sure if they are leeches or something else, and wants to know if it is harmful.