Mucophagy's feeding on mucus of fishes or invertebrates. It may also refer to consumption of mucus or dried mucus in primates, which serves no dietary or nutritional function and isn't common. There're mucophagous parasites, such as some sea lice that attach themselves to gill segments of fish. Mucophages may serve as cleaners of other animals. Another usage of this term's in reference to the feeding organ rich in mucuos cells which pumps the water through, feeding paricles get entrapped in muc… (More on Mucophagy)