Doctorfish

Origin

doctor + fish

Full definition of doctorfish

Noun

1. Either of the fish and , which feed on dead skin while leaving the healthy skin intact.
• 2008, January 15, Elisabeth Rosenthal, Europe’s Appetite for Seafood Propels Illegal Trade, —Walking at the Brixton market among the parrotfish, doctorfish and butterfish, Effa Edusie is surrounded by pieces of her childhood in Ghana.