The baby leeches offer hope of boosting fragmented wild populations. There was even a 1959 black-and-white horror film, called "Attack of the Giant Leeches," playing on our fear of them.

Leeches come in many color combinations and one day a client caught a fish that spit up about thirty black leeches when we landed the fish. I noticed that the leeches had an iridescent purple ...

It's a great time of year to meet with the giant Amazonian leech. Its kind is just emerging from the bottom muck, where they dug themselves in to wait out the three-month dry season. They'll be ...

LEECHES are adapted by their structure and physiology to an ectoparasitic, blood-sucking mode of life. Some have secondarily become predators, but none has obvious adaptations to endoparasitism.