Horda

Hordas are small predators native to Leela's home planet. They look something like long, armoured fish with large heads. Hordas are forced to crawl around the forest floor slowly. Though not especially fast, they can strike quickly and ten of them can devour a Human's arm in seconds.

The Sevateem have test using these horda. The criminal is put on a board above a pit of hordas. This board is pulled into the walls with a boulder attached to a rope. The criminal has to break the rope with a crossbow, stopping the board and saving their life. (DW: The Face of Evil)