What do leeches feed off of?

Many leeches attack other worms or snails and digest away the muscle instead of the body fluid. Some leeches are predators and eat small larvae and worms. Some leeches are predator and parasites.

They eat snail meat sometimes and they suck turtle or frog flood other times. Other species of leeches feed on insect, frogs, salamanders, fish, and birds as sources of food.