Contents: Foreword. Preface. 1. Introduction. 2. Spectrophotometry. 3. Chromatography. 5. Centrifugation. 6. Blotting Technique. 7. Molecular Techniques. References. This book consists of detail information on several biochemical techniques such as spectroscopic, chromatographic, and centrifugation methods involved in aquaculture and fisheries. This manual also provides basic information on molecular techniques, instruments and their applications involved in fisheries science. This shall help students and researchers to gain depth knowledge on the fundamentals of instrumentation.