A group of fungi that eat insects and other small creatures. For instance, the Zoophagus insidians lives in water, and sports several short, tasty looking brances called hyphae. When tiny rotifers try to take a bite out of hyphae, they get tangled up in it. insidians then squirts some digestive secretions on the creature and absorbs the goodies.

Thanks to http://www.suite101.com/article.cfm/botanical/12125 for the example, which I saw on 7/28/00