The phrase "order Pediculati" refers to a taxonomic classification of parasitic fish that attach themselves to the skin of other fish and feed on their blood. Synonyms for this term include the scientific names of several families within this order, such as Argulidae, Lernaeopodidae, and Caligidae. Other synonyms include the more general term "parasitic copepods," which also encompasses similar organisms in related orders. Additionally, this order is sometimes referred to simply as "fish lice," although this term can be confusing, as it may also refer to a different group of lice that infest fish.