Aquatic Biology Do fry eat biofilm? February 5, 2026 by Tanp | Leave a Comment Do fry eat biofilm? Yes, fry, which are the juvenile stages of fish, often consume biofilm as a primary food source in their early development stages. This is because biofilm, a slimy layer of microorganisms that forms on surfaces in aquatic environments, provides essential nutrients that support the growth and health of young fish. What […] Read more ยป