Proteases represent one of the largest groups of industrialenzymes and account for nearly 60% of the total enzyme salesin the world (Rao et al., 1998). The enzymes have numer-ous applications in the industrial processes such as peptidesynthesis, food processing, animal feed, leather processing,and detergent. Proteases are mainly derived from animal,plant, and microbial sources. Today, there is an increasingdemand for fish proteolytic enzymes.