Fishery Science is one of the important subjects in the cur- riculam of both under and post graduate students of all Indian Universities. The teachers, scientists and students are also actively engaged in research in ¿shery science. For this purpose the proper methodology is necessary. Being a ¿shery science teachers we felt the information required particularly the methodology to study the Manual of Fishery Science in a consolidated manner. A effort has been made towards bringing out a manual to ful¿ll the requirement of students and researchers concerned with Fishery Science.The present manual is prepared for students and teachers as well as researches.