To address social, Environmental and economic challenges of the ever expanding World population, efforts to build a global Knowledge based bio-economy by exploiting newer and modern Biotechnologies are of immense use. Manipulation of Dna and other cellular constituents through Biotechnology in fisheries and Aquaculture offers significant economic and environmental Benefits from fertilized Eggs to the finished Consumer products. Aquaculture now accounts for more than 40% of the global production of Fish for human consumption. Fisheries, Aquaculture and Biotechnology explain the Science and application of biotechnologies to fisheries and aquaculture and what other newer Technologies like transgenics and Genomics can potentially offer. This book also aims to provide various approaches in biotechnology and their potential impact on global fisheries and aquaculture Research and will be most useful for Advanced students and researchers in fisheries and aquaculture.