The presentation titled *The Potential of Microalgae and Seaweeds in Aquafeeds* explores the benefits of integrating marine algae into aquaculture diets. It begins with an introduction to aquaculture and the growing interest in sustainable feed alternatives. Key project benefits include the evaluation of IMTA (Integrated Multi-Trophic Aquaculture) produced seaweed as dietary ingredients in fish feed. The presentation highlights the *Marinalgae4aqua* project, which focuses on improving the bio-utilization of marine algae as sustainable feed ingredients to enhance the efficiency and quality of aquaculture production, showcasing results and advancements.