Parasites include the fish louse Argulus stizostehi, nematodes, trematodes, and leeches.

The primary food of these birds includes crustaceans, aquatic insects, fishes, tadpoles and sometimes leeches ('Herpobdelloides' sp.).

Common natural baits include Earthworms, leeches, Cyprinids, frogs, salamanders, and insects.

They include isopods and leeches.

Common natural baits include worms, leeches, minnows, frogs, salamanders, and insects.

Some treatments, which include leeches, cupping and homeopathic remedies, are alarmingly old-fangled.

This group includes ticks, leeches, mites and the tsetse fly.

Examples of parasites in humans include tapeworms and leeches.

Common natural baits include bait fish, worms, leeches, minnows, frogs, salamanders, nightcrawlers and other insects.

Predators of the species include predatory snails, ground beetles, leeches, and parasites.