 environmentally friendly anti-fouling coatings have been developed as an alternative to traditional anti-fouling coatings containing heavy metals. These coatings are designed to prevent fouling organisms from attaching to the surface of boats, ships, and other underwater structures. The main components of these coatings are antibacterial peptides, nanoparticles, and hydrogel materials. Antibacterial peptides are effective against bacteria and fungi, while nanoparticles and hydrogel materials are able to reduce the adhesion of fouling organisms. Additionally, these coatings are more durable than traditional coatings, making them suitable for long-term use. This article was authored by Dilu, Habuashu, Jumwei Zhou, and others.