They Are Soft And Easily Digestible And Contain Enzymes That Help Fish To Better Utilize Other Feeds, They Are High In Protein, Ranging From 55% To 60% Protein By Dry Weight, Supporting Rapid Weight Gain In Young Fish, They Can Be Fed To Both Marine And Freshwater Fish, Surviving And Swimming For Hours Even In Fresh Water, They Originate In Hyper-Saline Biotopes And, Therefore, They Are Seldom Vectors For Diseases That Affect Fish.