The present invention relates to the use of medetomidine having a relatively higher amount of levomedetomidine, or a salt or solvate thereof, as compared to dexmedetomidine, as a marine antifouling agent. It further relates to surface coating compositions comprising such medetomidine, surfaces coated with such medetomidine, and methods for preventing marine biofouling using such medetomidine.
展开▼