Fish are not only beautiful to observe but also play a vital role in aquatic ecosystems and human diets. With the increasing popularity of fish farming and aquaculture, understanding their nutritional needs has become essential for aquarists and fish farmers alike. One of the critical aspects of maintaining healthy fish is ensuring they receive a diet rich in high-quality protein. Protein is fundamental for growth, development, and overall health in fish, influencing everything from their immune system to their growth rate. In the aquatic world, fish rely on their diet to provide essential amino acids that they cannot synthesize on their own. Proteins serve as the building blocks for tissues…